37166475661 has 32 divisors (see below), whose sum is σ = 44273053440. Its totient is φ = 30526626816.

The previous prime is 37166475613. The next prime is 37166475677. The reversal of 37166475661 is 16657466173.

37166475661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37166475661 - 2²⁹ = 36629604749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37166475599 and 37166475608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37166475601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20914405 + ... + 20916181.

It is an arithmetic number, because the mean of its divisors is an integer number (1383532920).

Almost surely, 2^37166475661 is an apocalyptic number.

It is an amenable number.

37166475661 is a deficient number, since it is larger than the sum of its proper divisors (7106577779).

37166475661 is a wasteful number, since it uses less digits than its factorization.

37166475661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533.

The product of its digits is 3810240, while the sum is 52.

The spelling of 37166475661 in words is "thirty-seven billion, one hundred sixty-six million, four hundred seventy-five thousand, six hundred sixty-one".