169157297 has 8 divisors (see below), whose sum is σ = 175775232. Its totient is φ = 162612000.

The previous prime is 169157281. The next prime is 169157299. The reversal of 169157297 is 792751961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 169157297 - 2⁴ = 169157281 is a prime.

It is a super-2 number, since 2×169157297² = 57228382256692418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169157299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13388 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (21971904).

Almost surely, 2^169157297 is an apocalyptic number.

It is an amenable number.

169157297 is a deficient number, since it is larger than the sum of its proper divisors (6617935).

169157297 is a wasteful number, since it uses less digits than its factorization.

169157297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36319.

The product of its digits is 238140, while the sum is 47.

The square root of 169157297 is about 13006.0484775354. The cubic root of 169157297 is about 553.0489586892.

The spelling of 169157297 in words is "one hundred sixty-nine million, one hundred fifty-seven thousand, two hundred ninety-seven".