169147868 has 12 divisors (see below), whose sum is σ = 304009272. Its totient is φ = 82288080.

The previous prime is 169147859. The next prime is 169147879. The reversal of 169147868 is 868741961.

It is a super-2 number, since 2×169147868² = 57222002497890848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571298 + ... + 571593.

It is an arithmetic number, because the mean of its divisors is an integer number (25334106).

Almost surely, 2^169147868 is an apocalyptic number.

It is an amenable number.

169147868 is a deficient number, since it is larger than the sum of its proper divisors (134861404).

169147868 is a wasteful number, since it uses less digits than its factorization.

169147868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142932 (or 1142930 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 169147868 is about 13005.6859872903. The cubic root of 169147868 is about 553.0386826609.

The spelling of 169147868 in words is "one hundred sixty-nine million, one hundred forty-seven thousand, eight hundred sixty-eight".