372922162681 has 2 divisors, whose sum is σ = 372922162682. Its totient is φ = 372922162680.

The previous prime is 372922162667. The next prime is 372922162759. The reversal of 372922162681 is 186261229273.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287707795456 + 85214367225 = 536384^2 + 291915^2 .

It is a cyclic number.

It is not a de Polignac number, because 372922162681 - 2⁵ = 372922162649 is a prime.

It is a super-2 number, since 2×372922162681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (372922162631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186461081340 + 186461081341.

It is an arithmetic number, because the mean of its divisors is an integer number (186461081341).

Almost surely, 2^372922162681 is an apocalyptic number.

It is an amenable number.

372922162681 is a deficient number, since it is larger than the sum of its proper divisors (1).

372922162681 is an equidigital number, since it uses as much as digits as its factorization.

372922162681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The spelling of 372922162681 in words is "three hundred seventy-two billion, nine hundred twenty-two million, one hundred sixty-two thousand, six hundred eighty-one".