66616100592 has 40 divisors (see below), whose sum is σ = 172464951120. Its totient is φ = 22157191680.

The previous prime is 66616100557. The next prime is 66616100597. The reversal of 66616100592 is 29500161666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66616100597) 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, 1483117 + ... + 1527372.

It is an arithmetic number, because the mean of its divisors is an integer number (4311623778).

Almost surely, 2^66616100592 is an apocalyptic number.

It is an amenable number.

66616100592 is an abundant number, since it is smaller than the sum of its proper divisors (105848850528).

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

66616100592 is a wasteful number, since it uses less digits than its factorization.

66616100592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010961 (or 3010955 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 66616100592 in words is "sixty-six billion, six hundred sixteen million, one hundred thousand, five hundred ninety-two".