66492044070 has 64 divisors (see below), whose sum is σ = 170641100736. Its totient is φ = 16522956800.

The previous prime is 66492044041. The next prime is 66492044089. The reversal of 66492044070 is 7044029466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593919 + ... + 696938.

It is an arithmetic number, because the mean of its divisors is an integer number (2666267199).

Almost surely, 2^66492044070 is an apocalyptic number.

66492044070 is an abundant number, since it is smaller than the sum of its proper divisors (104149056666).

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

66492044070 is a wasteful number, since it uses less digits than its factorization.

66492044070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290985.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 66492044070 in words is "sixty-six billion, four hundred ninety-two million, forty-four thousand, seventy".