165927571852 has 12 divisors (see below), whose sum is σ = 331855143760. Its totient is φ = 71111816496.

The previous prime is 165927571847. The next prime is 165927571871. The reversal of 165927571852 is 258175729561.

165927571852 is an admirable number.

It is a super-3 number, since 3×165927571852³ (a number of 35 digits) contains 333 as substring.

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, 2962992327 + ... + 2962992382.

Almost surely, 2^165927571852 is an apocalyptic number.

It is an amenable number.

165927571852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165927571852 is a wasteful number, since it uses less digits than its factorization.

165927571852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925984720 (or 5925984718 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 58.

The spelling of 165927571852 in words is "one hundred sixty-five billion, nine hundred twenty-seven million, five hundred seventy-one thousand, eight hundred fifty-two".