17169122961 has 63 divisors (see below), whose sum is σ = 27037922457. Its totient is φ = 10896537960.

The previous prime is 17169122941. The next prime is 17169122963. The reversal of 17169122961 is 16922196171.

The square root of 17169122961 is 131031.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 17169122961 - 2⁷ = 17169122833 is a prime.

Its product of digits (81648) is a multiple of the sum of its prime factors (486).

It is not an unprimeable number, because it can be changed into a prime (17169122963) 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 62 ways as a sum of consecutive naturals, for example, 81370146 + ... + 81370356.

Almost surely, 2^17169122961 is an apocalyptic number.

17169122961 is the 131031-st square number.

17169122961 is the 65516-th centered octagonal number.

It is an amenable number.

17169122961 is a deficient number, since it is larger than the sum of its proper divisors (9868799496).

17169122961 is an frugal number, since it uses more digits than its factorization.

17169122961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 237 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The spelling of 17169122961 in words is "seventeen billion, one hundred sixty-nine million, one hundred twenty-two thousand, nine hundred sixty-one".