66876896700 has 180 divisors, whose sum is σ = 229541214672. Its totient is φ = 16784755200.

The previous prime is 66876896693. The next prime is 66876896741. The reversal of 66876896700 is 769867866.

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 105136 + ... + 380535.

Almost surely, 2^66876896700 is an apocalyptic number.

66876896700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66876896700 is an abundant number, since it is smaller than the sum of its proper divisors (162664317972).

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

66876896700 is a wasteful number, since it uses less digits than its factorization.

66876896700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485714 (or 485698 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 66876896700 in words is "sixty-six billion, eight hundred seventy-six million, eight hundred ninety-six thousand, seven hundred".