165397524016 has 20 divisors (see below), whose sum is σ = 320775333400. Its totient is φ = 82616792832.

The previous prime is 165397524001. The next prime is 165397524037. The reversal of 165397524016 is 610425793561.

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, 5106426 + ... + 5138713.

It is an arithmetic number, because the mean of its divisors is an integer number (16038766670).

Almost surely, 2^165397524016 is an apocalyptic number.

165397524016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165397524016 is a deficient number, since it is larger than the sum of its proper divisors (155377809384).

165397524016 is a wasteful number, since it uses less digits than its factorization.

165397524016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246156 (or 10246150 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 165397524016 in words is "one hundred sixty-five billion, three hundred ninety-seven million, five hundred twenty-four thousand, sixteen".