165560510160610 has 16 divisors (see below), whose sum is σ = 299310267281400. Its totient is φ = 65935015399296.

The previous prime is 165560510160599. The next prime is 165560510160701. The reversal of 165560510160610 is 16061015065561.

It can be written as a sum of positive squares in 4 ways, for example, as 165113068234689 + 447441925921 = 12849633^2 + 668911^2 .

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, 36148580715 + ... + 36148585294.

Almost surely, 2^{165560510160610} is an apocalyptic number.

165560510160610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165560510160610 is a deficient number, since it is larger than the sum of its proper divisors (133749757120790).

165560510160610 is a wasteful number, since it uses less digits than its factorization.

165560510160610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297166245.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 165560510160610 in words is "one hundred sixty-five trillion, five hundred sixty billion, five hundred ten million, one hundred sixty thousand, six hundred ten".