165001006604 has 48 divisors (see below), whose sum is σ = 331057284096. Its totient is φ = 70488792000.

The previous prime is 165001006603. The next prime is 165001006609. The reversal of 165001006604 is 406600100561.

It is a super-2 number, since 2×165001006604² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165001006601) 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, 33324329 + ... + 33329279.

It is an arithmetic number, because the mean of its divisors is an integer number (6897026752).

Almost surely, 2^165001006604 is an apocalyptic number.

165001006604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165001006604 is an abundant number, since it is smaller than the sum of its proper divisors (166056277492).

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

165001006604 is a wasteful number, since it uses less digits than its factorization.

165001006604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526 (or 8524 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 165001006604 in words is "one hundred sixty-five billion, one million, six thousand, six hundred four".