165658542796 has 6 divisors (see below), whose sum is σ = 289902449900. Its totient is φ = 82829271396.

The previous prime is 165658542779. The next prime is 165658542869. The reversal of 165658542796 is 697245856561.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20707317846 + ... + 20707317853.

Almost surely, 2^165658542796 is an apocalyptic number.

It is an amenable number.

165658542796 is a deficient number, since it is larger than the sum of its proper divisors (124243907104).

165658542796 is a wasteful number, since it uses less digits than its factorization.

165658542796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414635703 (or 41414635701 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 64.

The spelling of 165658542796 in words is "one hundred sixty-five billion, six hundred fifty-eight million, five hundred forty-two thousand, seven hundred ninety-six".