62646220664 has 32 divisors (see below), whose sum is σ = 121927464000. Its totient is φ = 30154081920.

The previous prime is 62646220661. The next prime is 62646220687. The reversal of 62646220664 is 46602264626.

62646220664 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 not an unprimeable number, because it can be changed into a prime (62646220661) 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, 1342739 + ... + 1388610.

It is an arithmetic number, because the mean of its divisors is an integer number (3810233250).

Almost surely, 2^62646220664 is an apocalyptic number.

It is an amenable number.

62646220664 is a deficient number, since it is larger than the sum of its proper divisors (59281243336).

62646220664 is a wasteful number, since it uses less digits than its factorization.

62646220664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731463 (or 2731459 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 62646220664 in words is "sixty-two billion, six hundred forty-six million, two hundred twenty thousand, six hundred sixty-four".