4638646164084 has 48 divisors (see below), whose sum is σ = 11121557314560. Its totient is φ = 1503937784160.

The previous prime is 4638646164049. The next prime is 4638646164107. The reversal of 4638646164084 is 4804616468364.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 18683422 + ... + 18930069.

It is an arithmetic number, because the mean of its divisors is an integer number (231699110720).

Almost surely, 2^{4638646164084} is an apocalyptic number.

It is an amenable number.

4638646164084 is an abundant number, since it is smaller than the sum of its proper divisors (6482911150476).

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

4638646164084 is a wasteful number, since it uses less digits than its factorization.

4638646164084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37613780 (or 37613778 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 60.

The spelling of 4638646164084 in words is "four trillion, six hundred thirty-eight billion, six hundred forty-six million, one hundred sixty-four thousand, eighty-four".