165975082058 has 4 divisors (see below), whose sum is σ = 248962623090. Its totient is φ = 82987541028.

The previous prime is 165975082051. The next prime is 165975082061. The reversal of 165975082058 is 850280579561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 130981019569 + 34994062489 = 361913^2 + 187067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165975081994 and 165975082012.

It is not an unprimeable number, because it can be changed into a prime (165975082051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41493770513 + ... + 41493770516.

Almost surely, 2^165975082058 is an apocalyptic number.

165975082058 is a deficient number, since it is larger than the sum of its proper divisors (82987541032).

165975082058 is an equidigital number, since it uses as much as digits as its factorization.

165975082058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82987541031.

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 165975082058 in words is "one hundred sixty-five billion, nine hundred seventy-five million, eighty-two thousand, fifty-eight".