640013432162 has 32 divisors (see below), whose sum is σ = 1055736599232. Its totient is φ = 289196702784.

The previous prime is 640013432147. The next prime is 640013432183. The reversal of 640013432162 is 261234310046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843053 + ... + 1410944.

It is an arithmetic number, because the mean of its divisors is an integer number (32991768726).

Almost surely, 2^640013432162 is an apocalyptic number.

640013432162 is a deficient number, since it is larger than the sum of its proper divisors (415723167070).

640013432162 is a wasteful number, since it uses less digits than its factorization.

640013432162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254242.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 640013432162 in words is "six hundred forty billion, thirteen million, four hundred thirty-two thousand, one hundred sixty-two".