66901410756 has 48 divisors (see below), whose sum is σ = 173472936000. Its totient is φ = 22297277376.

The previous prime is 66901410749. The next prime is 66901410781. The reversal of 66901410756 is 65701410966.

It is a super-2 number, since 2×66901410756² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784920 + ... + 865968.

It is an arithmetic number, because the mean of its divisors is an integer number (3614019500).

Almost surely, 2^66901410756 is an apocalyptic number.

It is an amenable number.

66901410756 is an abundant number, since it is smaller than the sum of its proper divisors (106571525244).

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

66901410756 is a wasteful number, since it uses less digits than its factorization.

66901410756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88705 (or 88697 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 66901410756 in words is "sixty-six billion, nine hundred one million, four hundred ten thousand, seven hundred fifty-six".