64606401882 has 48 divisors (see below), whose sum is σ = 153006291360. Its totient is φ = 19539204000.

The previous prime is 64606401863. The next prime is 64606401889. The reversal of 64606401882 is 28810460646.

64606401882 is a `hidden beast` number, since 6 + 460 + 6 + 4 + 0 + 188 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (64606401889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219744 + ... + 421307.

It is an arithmetic number, because the mean of its divisors is an integer number (3187631070).

Almost surely, 2^64606401882 is an apocalyptic number.

64606401882 is an abundant number, since it is smaller than the sum of its proper divisors (88399889478).

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

64606401882 is a wasteful number, since it uses less digits than its factorization.

64606401882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641579 (or 641576 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 64606401882 in words is "sixty-four billion, six hundred six million, four hundred one thousand, eight hundred eighty-two".