168464274 has 32 divisors (see below), whose sum is σ = 368124480. Its totient is φ = 50971200.

The previous prime is 168464243. The next prime is 168464311. The reversal of 168464274 is 472464861.

It is a super-2 number, since 2×168464274² = 56760423228694152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52632 + ... + 55740.

It is an arithmetic number, because the mean of its divisors is an integer number (11503890).

Almost surely, 2^168464274 is an apocalyptic number.

168464274 is an abundant number, since it is smaller than the sum of its proper divisors (199660206).

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

168464274 is a wasteful number, since it uses less digits than its factorization.

168464274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its digits is 258048, while the sum is 42.

The square root of 168464274 is about 12979.3787986945. The cubic root of 168464274 is about 552.2926601320.

The spelling of 168464274 in words is "one hundred sixty-eight million, four hundred sixty-four thousand, two hundred seventy-four".