373681166728 has 8 divisors (see below), whose sum is σ = 700652187630. Its totient is φ = 186840583360.

The previous prime is 373681166701. The next prime is 373681166737. The reversal of 373681166728 is 827661186373.

It can be written as a sum of positive squares in only one way, i.e., 364065010884 + 9616155844 = 603378^2 + 98062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×373681166728² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23355072913 + ... + 23355072928.

Almost surely, 2^373681166728 is an apocalyptic number.

It is an amenable number.

373681166728 is a deficient number, since it is larger than the sum of its proper divisors (326971020902).

373681166728 is a wasteful number, since it uses less digits than its factorization.

373681166728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46710145847 (or 46710145843 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 373681166728 in words is "three hundred seventy-three billion, six hundred eighty-one million, one hundred sixty-six thousand, seven hundred twenty-eight".