168683374 has 4 divisors (see below), whose sum is σ = 253025064. Its totient is φ = 84341686.

The previous prime is 168683353. The next prime is 168683381. The reversal of 168683374 is 473386861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 473386861 = 41 ⋅11546021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42170842 + ... + 42170845.

It is an arithmetic number, because the mean of its divisors is an integer number (63256266).

Almost surely, 2^168683374 is an apocalyptic number.

168683374 is a deficient number, since it is larger than the sum of its proper divisors (84341690).

168683374 is an equidigital number, since it uses as much as digits as its factorization.

168683374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84341689.

The product of its digits is 580608, while the sum is 46.

The square root of 168683374 is about 12987.8163676578. The cubic root of 168683374 is about 552.5319886204.

The spelling of 168683374 in words is "one hundred sixty-eight million, six hundred eighty-three thousand, three hundred seventy-four".