169880131 has 4 divisors (see below), whose sum is σ = 170734000. Its totient is φ = 169026264.

The previous prime is 169880111. The next prime is 169880141. The reversal of 169880131 is 131088961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 169880131 - 2⁷ = 169880003 is a prime.

It is a super-2 number, since 2×169880131² = 57718517817154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169880111) 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, 426636 + ... + 427033.

It is an arithmetic number, because the mean of its divisors is an integer number (42683500).

Almost surely, 2^169880131 is an apocalyptic number.

169880131 is a deficient number, since it is larger than the sum of its proper divisors (853869).

169880131 is an equidigital number, since it uses as much as digits as its factorization.

169880131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853868.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 169880131 is about 13033.8072334986. The cubic root of 169880131 is about 553.8355924540.

The spelling of 169880131 in words is "one hundred sixty-nine million, eight hundred eighty thousand, one hundred thirty-one".