6516007660438 has 32 divisors (see below), whose sum is σ = 10621580820480. Its totient is φ = 2986609320000.

The previous prime is 6516007660429. The next prime is 6516007660489. The reversal of 6516007660438 is 8340667006156.

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, 9713163 + ... + 10362313.

It is an arithmetic number, because the mean of its divisors is an integer number (331924400640).

Almost surely, 2^{6516007660438} is an apocalyptic number.

6516007660438 is a deficient number, since it is larger than the sum of its proper divisors (4105573160042).

6516007660438 is a wasteful number, since it uses less digits than its factorization.

6516007660438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657724.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 6516007660438 in words is "six trillion, five hundred sixteen billion, seven million, six hundred sixty thousand, four hundred thirty-eight".