165532986996 has 48 divisors (see below), whose sum is σ = 416045195328. Its totient is φ = 50922144000.

The previous prime is 165532986943. The next prime is 165532987001. The reversal of 165532986996 is 699689235561.

It is a self number, because there is not a number n which added to its sum of digits gives 165532986996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618696 + ... + 844896.

It is an arithmetic number, because the mean of its divisors is an integer number (8667608236).

Almost surely, 2^165532986996 is an apocalyptic number.

It is an amenable number.

165532986996 is an abundant number, since it is smaller than the sum of its proper divisors (250512208332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165532986996 is a wasteful number, since it uses less digits than its factorization.

165532986996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230912 (or 230910 counting only the distinct ones).

The product of its digits is 188956800, while the sum is 69.

The spelling of 165532986996 in words is "one hundred sixty-five billion, five hundred thirty-two million, nine hundred eighty-six thousand, nine hundred ninety-six".