376166485521 has 12 divisors (see below), whose sum is σ = 543473394048. Its totient is φ = 250721439864.

The previous prime is 376166485483. The next prime is 376166485589. The reversal of 376166485521 is 125584661673.

It is a happy number.

376166485521 is a `hidden beast` number, since 3 + 76 + 1 + 6 + 6 + 48 + 5 + 521 = 666.

It is not a de Polignac number, because 376166485521 - 2³⁷ = 238727532049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (376166435521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4642365 + ... + 4722698.

It is an arithmetic number, because the mean of its divisors is an integer number (45289449504).

Almost surely, 2^376166485521 is an apocalyptic number.

It is an amenable number.

376166485521 is a deficient number, since it is larger than the sum of its proper divisors (167306908527).

376166485521 is a wasteful number, since it uses less digits than its factorization.

376166485521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369532 (or 9369529 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 376166485521 in words is "three hundred seventy-six billion, one hundred sixty-six million, four hundred eighty-five thousand, five hundred twenty-one".