10601655666 has 16 divisors (see below), whose sum is σ = 24232355904. Its totient is φ = 3029044464.

The previous prime is 10601655641. The next prime is 10601655709. The reversal of 10601655666 is 66655610601.

It is a super-2 number, since 2×10601655666² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 252420373 = 10601655666 / (1 + 0 + 6 + 0 + 1 + 6 + 5 + 5 + 6 + 6 + 6).

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, 126210145 + ... + 126210228.

It is an arithmetic number, because the mean of its divisors is an integer number (1514522244).

Almost surely, 2^10601655666 is an apocalyptic number.

10601655666 is an abundant number, since it is smaller than the sum of its proper divisors (13630700238).

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

10601655666 is a wasteful number, since it uses less digits than its factorization.

10601655666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252420385.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 10601655666 in words is "ten billion, six hundred one million, six hundred fifty-five thousand, six hundred sixty-six".