37985394066 has 32 divisors (see below), whose sum is σ = 77859206208. Its totient is φ = 12347343360.

The previous prime is 37985394061. The next prime is 37985394077. The reversal of 37985394066 is 66049358973.

It is not an unprimeable number, because it can be changed into a prime (37985394061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523626 + ... + 591738.

It is an arithmetic number, because the mean of its divisors is an integer number (2433100194).

Almost surely, 2^37985394066 is an apocalyptic number.

37985394066 is an abundant number, since it is smaller than the sum of its proper divisors (39873812142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37985394066 is a wasteful number, since it uses less digits than its factorization.

37985394066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70426.

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 37985394066 in words is "thirty-seven billion, nine hundred eighty-five million, three hundred ninety-four thousand, sixty-six".