10665516510 has 64 divisors (see below), whose sum is σ = 31026965760. Its totient is φ = 2585579040.

The previous prime is 10665516493. The next prime is 10665516523. The reversal of 10665516510 is 1561556601.

It is a super-2 number, since 2×10665516510² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792572 + ... + 1798511.

It is an arithmetic number, because the mean of its divisors is an integer number (484796340).

Almost surely, 2^10665516510 is an apocalyptic number.

10665516510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10665516510 is an abundant number, since it is smaller than the sum of its proper divisors (20361449250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10665516510 is a wasteful number, since it uses less digits than its factorization.

10665516510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591110 (or 3591104 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10665516510 in words is "ten billion, six hundred sixty-five million, five hundred sixteen thousand, five hundred ten".