1640093092564 has 24 divisors (see below), whose sum is σ = 2932333767720. Its totient is φ = 802473424896.

The previous prime is 1640093092507. The next prime is 1640093092609. The reversal of 1640093092564 is 4652903900461.

It can be written as a sum of positive squares in 4 ways, for example, as 317823082564 + 1322270010000 = 563758^2 + 1149900^2 .

It is a super-2 number, since 2×1640093092564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23712907 + ... + 23781970.

It is an arithmetic number, because the mean of its divisors is an integer number (122180573655).

Almost surely, 2^{1640093092564} is an apocalyptic number.

It is an amenable number.

1640093092564 is a deficient number, since it is larger than the sum of its proper divisors (1292240675156).

1640093092564 is a wasteful number, since it uses less digits than its factorization.

1640093092564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47495067 (or 47495065 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 1640093092564 in words is "one trillion, six hundred forty billion, ninety-three million, ninety-two thousand, five hundred sixty-four".