10601055661 has 4 divisors (see below), whose sum is σ = 12115492192. Its totient is φ = 9086619132.

The previous prime is 10601055623. The next prime is 10601055733. The reversal of 10601055661 is 16655010601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10601055661 - 2²⁹ = 10064184749 is a prime.

It is a super-2 number, since 2×10601055661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10601055761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757218255 + ... + 757218268.

It is an arithmetic number, because the mean of its divisors is an integer number (3028873048).

Almost surely, 2^10601055661 is an apocalyptic number.

It is an amenable number.

10601055661 is a deficient number, since it is larger than the sum of its proper divisors (1514436531).

10601055661 is an equidigital number, since it uses as much as digits as its factorization.

10601055661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514436530.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 10601055661 in words is "ten billion, six hundred one million, fifty-five thousand, six hundred sixty-one".