168671396 has 24 divisors (see below), whose sum is σ = 299154240. Its totient is φ = 83205792.

The previous prime is 168671369. The next prime is 168671407. The reversal of 168671396 is 693176861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 168671396.

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, 122705 + ... + 124071.

It is an arithmetic number, because the mean of its divisors is an integer number (12464760).

Almost surely, 2^168671396 is an apocalyptic number.

It is an amenable number.

168671396 is a deficient number, since it is larger than the sum of its proper divisors (130482844).

168671396 is a wasteful number, since it uses less digits than its factorization.

168671396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1761 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 168671396 is about 12987.3552349968. The cubic root of 168671396 is about 552.5189101040.

The spelling of 168671396 in words is "one hundred sixty-eight million, six hundred seventy-one thousand, three hundred ninety-six".