169350457 has 8 divisors (see below), whose sum is σ = 173907272. Its totient is φ = 164851200.

The previous prime is 169350431. The next prime is 169350463. The reversal of 169350457 is 754053961.

It can be written as a sum of positive squares in 4 ways, for example, as 13075456 + 156275001 = 3616^2 + 12501^2 .

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 169350457 - 2⁷ = 169350329 is a prime.

It is a super-2 number, since 2×169350457² = 57359154572217698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169350487) 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, 8394 + ... + 20227.

It is an arithmetic number, because the mean of its divisors is an integer number (21738409).

Almost surely, 2^169350457 is an apocalyptic number.

It is an amenable number.

169350457 is a deficient number, since it is larger than the sum of its proper divisors (4556815).

169350457 is an equidigital number, since it uses as much as digits as its factorization.

169350457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 169350457 is about 13013.4721346764. The cubic root of 169350457 is about 553.2593867006.

The spelling of 169350457 in words is "one hundred sixty-nine million, three hundred fifty thousand, four hundred fifty-seven".