10664631634515 has 16 divisors (see below), whose sum is σ = 17112584717568. Its totient is φ = 5671412170976.

The previous prime is 10664631634513. The next prime is 10664631634537. The reversal of 10664631634515 is 51543613646601.

It is a cyclic number.

It is not a de Polignac number, because 10664631634515 - 2¹ = 10664631634513 is a prime.

It is a super-2 number, since 2×10664631634515² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10664631634513) 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, 1024455087 + ... + 1024465496.

It is an arithmetic number, because the mean of its divisors is an integer number (1069536544848).

Almost surely, 2^{10664631634515} is an apocalyptic number.

10664631634515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10664631634515 is a deficient number, since it is larger than the sum of its proper divisors (6447953083053).

10664631634515 is a wasteful number, since it uses less digits than its factorization.

10664631634515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048920938.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 10664631634515 in words is "ten trillion, six hundred sixty-four billion, six hundred thirty-one million, six hundred thirty-four thousand, five hundred fifteen".