66037585108 has 24 divisors (see below), whose sum is σ = 126415304064. Its totient is φ = 29935286400.

The previous prime is 66037585091. The next prime is 66037585147. The reversal of 66037585108 is 80158573066.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028613 + ... + 2060908.

It is an arithmetic number, because the mean of its divisors is an integer number (5267304336).

Almost surely, 2^66037585108 is an apocalyptic number.

It is an amenable number.

66037585108 is a deficient number, since it is larger than the sum of its proper divisors (60377718956).

66037585108 is a wasteful number, since it uses less digits than its factorization.

66037585108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089903 (or 4089901 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 66037585108 in words is "sixty-six billion, thirty-seven million, five hundred eighty-five thousand, one hundred eight".