64046545556 has 24 divisors (see below), whose sum is σ = 128172300480. Its totient is φ = 27431546112.

The previous prime is 64046545543. The next prime is 64046545601. The reversal of 64046545556 is 65554564046.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661085 + ... + 751748.

It is an arithmetic number, because the mean of its divisors is an integer number (5340512520).

Almost surely, 2^64046545556 is an apocalyptic number.

It is an amenable number.

64046545556 is an abundant number, since it is smaller than the sum of its proper divisors (64125754924).

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

64046545556 is a wasteful number, since it uses less digits than its factorization.

64046545556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414463 (or 1414461 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 64046545556 in words is "sixty-four billion, forty-six million, five hundred forty-five thousand, five hundred fifty-six".