2168401974 has 32 divisors (see below), whose sum is σ = 4380100704. Its totient is φ = 715599360.

The previous prime is 2168401967. The next prime is 2168401993. The reversal of 2168401974 is 4791048612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098052 + ... + 1100024.

It is an arithmetic number, because the mean of its divisors is an integer number (136878147).

Almost surely, 2^2168401974 is an apocalyptic number.

2168401974 is an abundant number, since it is smaller than the sum of its proper divisors (2211698730).

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

2168401974 is a wasteful number, since it uses less digits than its factorization.

2168401974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2168401974 is about 46566.1032726596. The cubic root of 2168401974 is about 1294.3347107239.

The spelling of 2168401974 in words is "two billion, one hundred sixty-eight million, four hundred one thousand, nine hundred seventy-four".