66052500074 has 16 divisors (see below), whose sum is σ = 110385611136. Its totient is φ = 29385057600.

The previous prime is 66052500071. The next prime is 66052500097. The reversal of 66052500074 is 47000525066.

It is not an unprimeable number, because it can be changed into a prime (66052500071) 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, 31939247 + ... + 31941314.

It is an arithmetic number, because the mean of its divisors is an integer number (6899100696).

Almost surely, 2^66052500074 is an apocalyptic number.

66052500074 is a deficient number, since it is larger than the sum of its proper divisors (44333111062).

66052500074 is a wasteful number, since it uses less digits than its factorization.

66052500074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63880621.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 66052500074 in words is "sixty-six billion, fifty-two million, five hundred thousand, seventy-four".