1640624063613 has 16 divisors (see below), whose sum is σ = 2356179809280. Its totient is φ = 1012086324144.

The previous prime is 1640624063587. The next prime is 1640624063623. The reversal of 1640624063613 is 3163604260461.

It is not a de Polignac number, because 1640624063613 - 2⁸ = 1640624063357 is a prime.

It is a super-2 number, since 2×1640624063613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1640624063623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334682181 + ... + 334687082.

It is an arithmetic number, because the mean of its divisors is an integer number (147261238080).

Almost surely, 2^{1640624063613} is an apocalyptic number.

It is an amenable number.

1640624063613 is a deficient number, since it is larger than the sum of its proper divisors (715555745667).

1640624063613 is a wasteful number, since it uses less digits than its factorization.

1640624063613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669369328.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 1640624063613 in words is "one trillion, six hundred forty billion, six hundred twenty-four million, sixty-three thousand, six hundred thirteen".