64606606432 has 12 divisors (see below), whose sum is σ = 127194256476. Its totient is φ = 32303303200.

The previous prime is 64606606381. The next prime is 64606606439. The reversal of 64606606432 is 23460660646.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64606606439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009478194 + ... + 1009478257.

It is an arithmetic number, because the mean of its divisors is an integer number (10599521373).

Almost surely, 2^64606606432 is an apocalyptic number.

It is an amenable number.

64606606432 is a deficient number, since it is larger than the sum of its proper divisors (62587650044).

64606606432 is a wasteful number, since it uses less digits than its factorization.

64606606432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018956461 (or 2018956453 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 64606606432 in words is "sixty-four billion, six hundred six million, six hundred six thousand, four hundred thirty-two".