66852445074 has 32 divisors (see below), whose sum is σ = 133901813760. Its totient is φ = 22251357072.

The previous prime is 66852445069. The next prime is 66852445091. The reversal of 66852445074 is 47054425866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17877897 + ... + 17881635.

It is an arithmetic number, because the mean of its divisors is an integer number (4184431680).

Almost surely, 2^66852445074 is an apocalyptic number.

66852445074 is an abundant number, since it is smaller than the sum of its proper divisors (67049368686).

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

66852445074 is a wasteful number, since it uses less digits than its factorization.

66852445074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 66852445074 in words is "sixty-six billion, eight hundred fifty-two million, four hundred forty-five thousand, seventy-four".