168149492 has 12 divisors (see below), whose sum is σ = 336299040. Its totient is φ = 72064056.

The previous prime is 168149447. The next prime is 168149507. The reversal of 168149492 is 294941861.

168149492 is an admirable number.

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, 3002642 + ... + 3002697.

It is an arithmetic number, because the mean of its divisors is an integer number (28024920).

Almost surely, 2^168149492 is an apocalyptic number.

It is an amenable number.

168149492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168149492 is a wasteful number, since it uses less digits than its factorization.

168149492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005350 (or 6005348 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 168149492 is about 12967.2468936162. The cubic root of 168149492 is about 551.9484522683.

The spelling of 168149492 in words is "one hundred sixty-eight million, one hundred forty-nine thousand, four hundred ninety-two".