66010974 has 16 divisors (see below), whose sum is σ = 133330320. Its totient is φ = 21785600.

The previous prime is 66010969. The next prime is 66010991. The reversal of 66010974 is 47901066.

It is a happy number.

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, 53859 + ... + 55070.

It is an arithmetic number, because the mean of its divisors is an integer number (8333145).

Almost surely, 2^66010974 is an apocalyptic number.

66010974 is an abundant number, since it is smaller than the sum of its proper divisors (67319346).

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

66010974 is a wasteful number, since it uses less digits than its factorization.

66010974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109035.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 66010974 is about 8124.7137795740. The cubic root of 66010974 is about 404.1463990876.

The spelling of 66010974 in words is "sixty-six million, ten thousand, nine hundred seventy-four".