165060515566 has 8 divisors (see below), whose sum is σ = 247901429160. Its totient is φ = 82426705848.

The previous prime is 165060515537. The next prime is 165060515617. The reversal of 165060515566 is 665515060561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51773976 + ... + 51777163.

It is an arithmetic number, because the mean of its divisors is an integer number (30987678645).

Almost surely, 2^165060515566 is an apocalyptic number.

165060515566 is a deficient number, since it is larger than the sum of its proper divisors (82840913594).

165060515566 is a wasteful number, since it uses less digits than its factorization.

165060515566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103551938.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 165060515566 in words is "one hundred sixty-five billion, sixty million, five hundred fifteen thousand, five hundred sixty-six".