169000657 has 6 divisors (see below), whose sum is σ = 196592658. Its totient is φ = 144857664.

The previous prime is 169000639. The next prime is 169000669. The reversal of 169000657 is 756000961.

169000657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160883856 + 8116801 = 12684^2 + 2849^2 .

It is not a de Polignac number, because 169000657 - 2²⁷ = 34782929 is a prime.

It is a super-2 number, since 2×169000657² = 57122444132863298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169000627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1724448 + ... + 1724545.

It is an arithmetic number, because the mean of its divisors is an integer number (32765443).

Almost surely, 2^169000657 is an apocalyptic number.

It is an amenable number.

169000657 is a deficient number, since it is larger than the sum of its proper divisors (27592001).

169000657 is an equidigital number, since it uses as much as digits as its factorization.

169000657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449007 (or 3449000 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 169000657 is about 13000.0252692062. The cubic root of 169000657 is about 552.8781978177.

The spelling of 169000657 in words is "one hundred sixty-nine million, six hundred fifty-seven", and thus it is an aban number.