168251400275 has 24 divisors (see below), whose sum is σ = 246127770624. Its totient is φ = 111650695200.

The previous prime is 168251400259. The next prime is 168251400277. The reversal of 168251400275 is 572004152861.

It is not a de Polignac number, because 168251400275 - 2⁴ = 168251400259 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (168251400277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15501617 + ... + 15512466.

It is an arithmetic number, because the mean of its divisors is an integer number (10255323776).

Almost surely, 2^168251400275 is an apocalyptic number.

168251400275 is a deficient number, since it is larger than the sum of its proper divisors (77876370349).

168251400275 is a wasteful number, since it uses less digits than its factorization.

168251400275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31014131 (or 31014126 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 168251400275 in words is "one hundred sixty-eight billion, two hundred fifty-one million, four hundred thousand, two hundred seventy-five".