37390066081 has 8 divisors (see below), whose sum is σ = 39019659840. Its totient is φ = 35760800592.

The previous prime is 37390066057. The next prime is 37390066097. The reversal of 37390066081 is 18066009373.

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-37390066081 is a prime.

It is a super-2 number, since 2×37390066081² (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 (37390066001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166786 + ... + 320308.

It is an arithmetic number, because the mean of its divisors is an integer number (4877457480).

Almost surely, 2^37390066081 is an apocalyptic number.

It is an amenable number.

37390066081 is a deficient number, since it is larger than the sum of its proper divisors (1629593759).

37390066081 is a wasteful number, since it uses less digits than its factorization.

37390066081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164135.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 37390066081 in words is "thirty-seven billion, three hundred ninety million, sixty-six thousand, eighty-one".