10661560610 has 32 divisors (see below), whose sum is σ = 20270587392. Its totient is φ = 4031072640.

The previous prime is 10661560543. The next prime is 10661560661. The reversal of 10661560610 is 1606516601.

It is a super-2 number, since 2×10661560610² (a number of 21 digits) contains 22 as substring.

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, 386579 + ... + 413238.

It is an arithmetic number, because the mean of its divisors is an integer number (633455856).

Almost surely, 2^10661560610 is an apocalyptic number.

10661560610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661560610 is a deficient number, since it is larger than the sum of its proper divisors (9609026782).

10661560610 is a wasteful number, since it uses less digits than its factorization.

10661560610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799898.

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

The spelling of 10661560610 in words is "ten billion, six hundred sixty-one million, five hundred sixty thousand, six hundred ten".