163461456 has 80 divisors (see below), whose sum is σ = 476963520. Its totient is φ = 53585280.

The previous prime is 163461401. The next prime is 163461457. The reversal of 163461456 is 654164361.

It is a happy number.

163461456 is a `hidden beast` number, since 1 + 6 + 34 + 614 + 5 + 6 = 666.

163461456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 163461456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163461457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23251 + ... + 29453.

It is an arithmetic number, because the mean of its divisors is an integer number (5962044).

Almost surely, 2^163461456 is an apocalyptic number.

163461456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163461456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238481760).

163461456 is an abundant number, since it is smaller than the sum of its proper divisors (313502064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163461456 is a wasteful number, since it uses less digits than its factorization.

163461456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6269 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 163461456 is about 12785.2045740379. The cubic root of 163461456 is about 546.7705579532.

The spelling of 163461456 in words is "one hundred sixty-three million, four hundred sixty-one thousand, four hundred fifty-six".