163461256 has 96 divisors (see below), whose sum is σ = 397677600. Its totient is φ = 62415360.

The previous prime is 163461251. The next prime is 163461269. The reversal of 163461256 is 652164361.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (163461251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125971 + ... + 127261.

It is an arithmetic number, because the mean of its divisors is an integer number (4142475).

Almost surely, 2^163461256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163461256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198838800).

163461256 is an abundant number, since it is smaller than the sum of its proper divisors (234216344).

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

163461256 is a wasteful number, since it uses less digits than its factorization.

163461256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1336 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 163461256 is about 12785.1967524947. The cubic root of 163461256 is about 546.7703349564.

The spelling of 163461256 in words is "one hundred sixty-three million, four hundred sixty-one thousand, two hundred fifty-six".