165501601505006 has 16 divisors (see below), whose sum is σ = 267651514135824. Its totient is φ = 76298847899904.

The previous prime is 165501601504969. The next prime is 165501601505057. The reversal of 165501601505006 is 600505106105561.

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, 3604419971 + ... + 3604465886.

It is an arithmetic number, because the mean of its divisors is an integer number (16728219633489).

Almost surely, 2^{165501601505006} is an apocalyptic number.

165501601505006 is a deficient number, since it is larger than the sum of its proper divisors (102149912630818).

165501601505006 is a wasteful number, since it uses less digits than its factorization.

165501601505006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208886755.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 165501601505006 in words is "one hundred sixty-five trillion, five hundred one billion, six hundred one million, five hundred five thousand, six".