10656061551 has 24 divisors (see below), whose sum is σ = 15969343104. Its totient is φ = 6839945280.

The previous prime is 10656061541. The next prime is 10656061553. The reversal of 10656061551 is 15516065601.

It is not a de Polignac number, because 10656061551 - 2¹⁴ = 10656045167 is a prime.

It is a super-2 number, since 2×10656061551² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656061553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41976 + ... + 151901.

It is an arithmetic number, because the mean of its divisors is an integer number (665389296).

Almost surely, 2^10656061551 is an apocalyptic number.

10656061551 is a deficient number, since it is larger than the sum of its proper divisors (5313281553).

10656061551 is a wasteful number, since it uses less digits than its factorization.

10656061551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194111 (or 194108 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10656061551 in words is "ten billion, six hundred fifty-six million, sixty-one thousand, five hundred fifty-one".