37913797161 has 12 divisors (see below), whose sum is σ = 54856732788. Its totient is φ = 25233237504.

The previous prime is 37913797147. The next prime is 37913797211. The reversal of 37913797161 is 16179731973.

It can be written as a sum of positive squares in 2 ways, for example, as 30679274025 + 7234523136 = 175155^2 + 85056^2 .

It is not a de Polignac number, because 37913797161 - 2²³ = 37905408553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37913797098 and 37913797107.

It is not an unprimeable number, because it can be changed into a prime (37913797261) 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, 3546640 + ... + 3557313.

It is an arithmetic number, because the mean of its divisors is an integer number (4571394399).

Almost surely, 2^37913797161 is an apocalyptic number.

It is an amenable number.

37913797161 is a deficient number, since it is larger than the sum of its proper divisors (16942935627).

37913797161 is a wasteful number, since it uses less digits than its factorization.

37913797161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104552 (or 7104549 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The spelling of 37913797161 in words is "thirty-seven billion, nine hundred thirteen million, seven hundred ninety-seven thousand, one hundred sixty-one".