66360402084 has 72 divisors (see below), whose sum is σ = 158970839104. Its totient is φ = 21539664000.

The previous prime is 66360402001. The next prime is 66360402091. The reversal of 66360402084 is 48020406366.

66360402084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7462689 + ... + 7471575.

Almost surely, 2^66360402084 is an apocalyptic number.

It is an amenable number.

66360402084 is an abundant number, since it is smaller than the sum of its proper divisors (92610437020).

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

66360402084 is a wasteful number, since it uses less digits than its factorization.

66360402084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157 (or 9054 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 66360402084 in words is "sixty-six billion, three hundred sixty million, four hundred two thousand, eighty-four".