165052149872 has 40 divisors (see below), whose sum is σ = 327629936592. Its totient is φ = 80503001600.

The previous prime is 165052149851. The next prime is 165052149887. The reversal of 165052149872 is 278941250561.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 165052149872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9094247 + ... + 9112377.

Almost surely, 2^165052149872 is an apocalyptic number.

It is an amenable number.

165052149872 is a deficient number, since it is larger than the sum of its proper divisors (162577786720).

165052149872 is a wasteful number, since it uses less digits than its factorization.

165052149872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32057 (or 32051 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 165052149872 in words is "one hundred sixty-five billion, fifty-two million, one hundred forty-nine thousand, eight hundred seventy-two".