10661660510 has 16 divisors (see below), whose sum is σ = 19192258800. Its totient is φ = 4264382016.

The previous prime is 10661660497. The next prime is 10661660521. The reversal of 10661660510 is 1506616601.

It is a super-2 number, since 2×10661660510² (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 7 ways as a sum of consecutive naturals, for example, 194981 + ... + 243599.

It is an arithmetic number, because the mean of its divisors is an integer number (1199516175).

Almost surely, 2^10661660510 is an apocalyptic number.

10661660510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661660510 is a deficient number, since it is larger than the sum of its proper divisors (8530598290).

10661660510 is a wasteful number, since it uses less digits than its factorization.

10661660510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70555.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 10661660510 in words is "ten billion, six hundred sixty-one million, six hundred sixty thousand, five hundred ten".