64162641654 has 24 divisors (see below), whose sum is σ = 143503543872. Its totient is φ = 20697626160.

The previous prime is 64162641649. The next prime is 64162641667. The reversal of 64162641654 is 45614626146.

64162641654 is a `hidden beast` number, since 6 + 4 + 1 + 626 + 4 + 16 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57492849 + ... + 57493964.

It is an arithmetic number, because the mean of its divisors is an integer number (5979314328).

Almost surely, 2^64162641654 is an apocalyptic number.

64162641654 is an abundant number, since it is smaller than the sum of its proper divisors (79340902218).

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

64162641654 is a wasteful number, since it uses less digits than its factorization.

64162641654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114986852 (or 114986849 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 64162641654 in words is "sixty-four billion, one hundred sixty-two million, six hundred forty-one thousand, six hundred fifty-four".