165143525531662 has 16 divisors (see below), whose sum is σ = 256257712713600. Its totient is φ = 79724299469920.

The previous prime is 165143525531659. The next prime is 165143525531681. The reversal of 165143525531662 is 266135525341561.

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, 29105712 + ... + 34313692.

It is an arithmetic number, because the mean of its divisors is an integer number (16016107044600).

Almost surely, 2^{165143525531662} is an apocalyptic number.

165143525531662 is a deficient number, since it is larger than the sum of its proper divisors (91114187181938).

165143525531662 is a wasteful number, since it uses less digits than its factorization.

165143525531662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754731.

The product of its digits is 19440000, while the sum is 55.

The spelling of 165143525531662 in words is "one hundred sixty-five trillion, one hundred forty-three billion, five hundred twenty-five million, five hundred thirty-one thousand, six hundred sixty-two".