163992572028 has 48 divisors (see below), whose sum is σ = 450175692960. Its totient is φ = 51448649472.

The previous prime is 163992572017. The next prime is 163992572053. The reversal of 163992572028 is 820275299361.

163992572028 is a `hidden beast` number, since 1 + 63 + 9 + 9 + 2 + 572 + 0 + 2 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44658451 + ... + 44662122.

It is an arithmetic number, because the mean of its divisors is an integer number (9378660270).

Almost surely, 2^163992572028 is an apocalyptic number.

163992572028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163992572028 is an abundant number, since it is smaller than the sum of its proper divisors (286183120932).

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

163992572028 is a wasteful number, since it uses less digits than its factorization.

163992572028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89320603 (or 89320595 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 163992572028 in words is "one hundred sixty-three billion, nine hundred ninety-two million, five hundred seventy-two thousand, twenty-eight".