10660638513 has 8 divisors (see below), whose sum is σ = 16244782528. Its totient is φ = 6091793424.

The previous prime is 10660638487. The next prime is 10660638563. The reversal of 10660638513 is 31583606601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10660638513 - 2¹⁶ = 10660572977 is a prime.

It is a super-2 number, since 2×10660638513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10660638563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253824706 + ... + 253824747.

It is an arithmetic number, because the mean of its divisors is an integer number (2030597816).

Almost surely, 2^10660638513 is an apocalyptic number.

It is an amenable number.

10660638513 is a deficient number, since it is larger than the sum of its proper divisors (5584144015).

10660638513 is an equidigital number, since it uses as much as digits as its factorization.

10660638513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507649463.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 10660638513 in words is "ten billion, six hundred sixty million, six hundred thirty-eight thousand, five hundred thirteen".