10651106261661 has 16 divisors (see below), whose sum is σ = 14511879782400. Its totient is φ = 6945706910448.

The previous prime is 10651106261597. The next prime is 10651106261699. The reversal of 10651106261661 is 16616260115601.

It is not a de Polignac number, because 10651106261661 - 2⁶ = 10651106261597 is a prime.

It is a super-2 number, since 2×10651106261661² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10651106261261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21224341 + ... + 21720378.

It is an arithmetic number, because the mean of its divisors is an integer number (906992486400).

Almost surely, 2^{10651106261661} is an apocalyptic number.

It is an amenable number.

10651106261661 is a deficient number, since it is larger than the sum of its proper divisors (3860773520739).

10651106261661 is a wasteful number, since it uses less digits than its factorization.

10651106261661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42946528.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 10651106261661 in words is "ten trillion, six hundred fifty-one billion, one hundred six million, two hundred sixty-one thousand, six hundred sixty-one".