16168474 has 16 divisors (see below), whose sum is σ = 27787968. Its totient is φ = 6911712.

The previous prime is 16168469. The next prime is 16168489. The reversal of 16168474 is 47486161.

It is a happy number.

It is a super-2 number, since 2×16168474² = 522839102977352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5302 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (1736748).

Almost surely, 2^16168474 is an apocalyptic number.

16168474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16168474 is a deficient number, since it is larger than the sum of its proper divisors (11619494).

16168474 is a wasteful number, since it uses less digits than its factorization.

16168474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its digits is 32256, while the sum is 37.

The square root of 16168474 is about 4021.0041034548. The cubic root of 16168474 is about 252.8655568411.

It can be divided in two parts, 161 and 68474, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 16168474 in words is "sixteen million, one hundred sixty-eight thousand, four hundred seventy-four".