252166454935648 has 24 divisors (see below), whose sum is σ = 541584772533000. Its totient is φ = 114621115879680.

The previous prime is 252166454935511. The next prime is 252166454935663. The reversal of 252166454935648 is 846539454661252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358190986773 + ... + 358190987476.

It is an arithmetic number, because the mean of its divisors is an integer number (22566032188875).

Almost surely, 2^{252166454935648} is an apocalyptic number.

It is an amenable number.

252166454935648 is an abundant number, since it is smaller than the sum of its proper divisors (289418317597352).

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

252166454935648 is a wasteful number, since it uses less digits than its factorization.

252166454935648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716381974270 (or 716381974262 counting only the distinct ones).

The product of its digits is 1492992000, while the sum is 70.

The spelling of 252166454935648 in words is "two hundred fifty-two trillion, one hundred sixty-six billion, four hundred fifty-four million, nine hundred thirty-five thousand, six hundred forty-eight".