37642404161 has 8 divisors (see below), whose sum is σ = 37818316800. Its totient is φ = 37466645440.

The previous prime is 37642404133. The next prime is 37642404169. The reversal of 37642404161 is 16140424673.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37642404161 is a prime.

It is a super-2 number, since 2×37642404161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37642404169) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 467225 + ... + 541833.

It is an arithmetic number, because the mean of its divisors is an integer number (4727289600).

Almost surely, 2^37642404161 is an apocalyptic number.

It is an amenable number.

37642404161 is a deficient number, since it is larger than the sum of its proper divisors (175912639).

37642404161 is a wasteful number, since it uses less digits than its factorization.

37642404161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76959.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 37642404161 in words is "thirty-seven billion, six hundred forty-two million, four hundred four thousand, one hundred sixty-one".