163466751672 has 128 divisors (see below), whose sum is σ = 520335129600. Its totient is φ = 46579411584.

The previous prime is 163466751667. The next prime is 163466751673. The reversal of 163466751672 is 276157664361.

163466751672 is a `hidden beast` number, since 1 + 63 + 4 + 6 + 67 + 516 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163466751673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419053 + ... + 708899.

It is an arithmetic number, because the mean of its divisors is an integer number (4065118200).

Almost surely, 2^163466751672 is an apocalyptic number.

163466751672 is a gapful number since it is divisible by the number (12) 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 163466751672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260167564800).

163466751672 is an abundant number, since it is smaller than the sum of its proper divisors (356868377928).

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

163466751672 is a wasteful number, since it uses less digits than its factorization.

163466751672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290242 (or 290232 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 163466751672 in words is "one hundred sixty-three billion, four hundred sixty-six million, seven hundred fifty-one thousand, six hundred seventy-two".