2111664504 has 32 divisors (see below), whose sum is σ = 5391486720. Its totient is φ = 688911456.

The previous prime is 2111664497. The next prime is 2111664539. The reversal of 2111664504 is 4054661112.

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, 934894 + ... + 937149.

It is an arithmetic number, because the mean of its divisors is an integer number (168483960).

Almost surely, 2^2111664504 is an apocalyptic number.

2111664504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111664504 is an abundant number, since it is smaller than the sum of its proper divisors (3279822216).

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

2111664504 is a wasteful number, since it uses less digits than its factorization.

2111664504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872099 (or 1872095 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2111664504 is about 45952.8508800053. The cubic root of 2111664504 is about 1282.9457918516.

The spelling of 2111664504 in words is "two billion, one hundred eleven million, six hundred sixty-four thousand, five hundred four".