165068789952 has 112 divisors (see below), whose sum is σ = 476560554624. Its totient is φ = 50009088000.

The previous prime is 165068789903. The next prime is 165068789981. The reversal of 165068789952 is 259987860561.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14125552 + ... + 14137232.

It is an arithmetic number, because the mean of its divisors is an integer number (4255004952).

Almost surely, 2^165068789952 is an apocalyptic number.

165068789952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165068789952 is an abundant number, since it is smaller than the sum of its proper divisors (311491764672).

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

165068789952 is a wasteful number, since it uses less digits than its factorization.

165068789952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398 (or 18388 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 66.

The spelling of 165068789952 in words is "one hundred sixty-five billion, sixty-eight million, seven hundred eighty-nine thousand, nine hundred fifty-two".