166875562865454 has 8 divisors (see below), whose sum is σ = 333751125730920. Its totient is φ = 55625187621816.

The previous prime is 166875562865413. The next prime is 166875562865551. The reversal of 166875562865454 is 454568265578661.

It is a sphenic number, since it is the product of 3 distinct primes.

166875562865454 is an admirable number.

It is a super-2 number, since 2×166875562865454² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166875562865454.

It is a congruent number.

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, 13906296905449 + ... + 13906296905460.

It is an arithmetic number, because the mean of its divisors is an integer number (41718890716365).

Almost surely, 2^{166875562865454} is an apocalyptic number.

166875562865454 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.

166875562865454 is a wasteful number, since it uses less digits than its factorization.

166875562865454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27812593810914.

The product of its digits is 11612160000, while the sum is 78.

The spelling of 166875562865454 in words is "one hundred sixty-six trillion, eight hundred seventy-five billion, five hundred sixty-two million, eight hundred sixty-five thousand, four hundred fifty-four".