76370225661 has 24 divisors (see below), whose sum is σ = 113589964800. Its totient is φ = 49408020576.

The previous prime is 76370225611. The next prime is 76370225713. The reversal of 76370225661 is 16652207367.

76370225661 is a `hidden beast` number, since 7 + 63 + 7 + 0 + 22 + 566 + 1 = 666.

It is not a de Polignac number, because 76370225661 - 2¹⁷ = 76370094589 is a prime.

It is a super-2 number, since 2×76370225661² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76370225611) 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 23 ways as a sum of consecutive naturals, for example, 171861 + ... + 426938.

It is an arithmetic number, because the mean of its divisors is an integer number (4732915200).

Almost surely, 2^76370225661 is an apocalyptic number.

It is an amenable number.

76370225661 is a deficient number, since it is larger than the sum of its proper divisors (37219739139).

76370225661 is a wasteful number, since it uses less digits than its factorization.

76370225661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599225 (or 599222 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 76370225661 in words is "seventy-six billion, three hundred seventy million, two hundred twenty-five thousand, six hundred sixty-one".