66107261233300 has 72 divisors (see below), whose sum is σ = 164194788985920. Its totient is φ = 22630953004800.

The previous prime is 66107261233297. The next prime is 66107261233333. The reversal of 66107261233300 is 333216270166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71191921 + ... + 72114520.

It is an arithmetic number, because the mean of its divisors is an integer number (2280483180360).

Almost surely, 2^{66107261233300} is an apocalyptic number.

It is an amenable number.

66107261233300 is an abundant number, since it is smaller than the sum of its proper divisors (98087527752620).

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

66107261233300 is a wasteful number, since it uses less digits than its factorization.

66107261233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143307121 (or 143307114 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The spelling of 66107261233300 in words is "sixty-six trillion, one hundred seven billion, two hundred sixty-one million, two hundred thirty-three thousand, three hundred".