10161605551 has 32 divisors (see below), whose sum is σ = 11412403200. Its totient is φ = 8998387200.

The previous prime is 10161605533. The next prime is 10161605563. The reversal of 10161605551 is 15550616101.

10161605551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10161605551 - 2⁹ = 10161605039 is a prime.

It is a super-2 number, since 2×10161605551² (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 (10161605521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6434680 + ... + 6436258.

It is an arithmetic number, because the mean of its divisors is an integer number (356637600).

Almost surely, 2^10161605551 is an apocalyptic number.

10161605551 is a deficient number, since it is larger than the sum of its proper divisors (1250797649).

10161605551 is a wasteful number, since it uses less digits than its factorization.

10161605551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 10161605551 in words is "ten billion, one hundred sixty-one million, six hundred five thousand, five hundred fifty-one".