168880456 has 16 divisors (see below), whose sum is σ = 327570300. Its totient is φ = 81528384.

The previous prime is 168880441. The next prime is 168880457. The reversal of 168880456 is 654088861.

It can be written as a sum of positive squares in 2 ways, for example, as 145202500 + 23677956 = 12050^2 + 4866^2 .

It is not an unprimeable number, because it can be changed into a prime (168880457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363735 + ... + 364198.

Almost surely, 2^168880456 is an apocalyptic number.

It is an amenable number.

168880456 is a deficient number, since it is larger than the sum of its proper divisors (158689844).

168880456 is a wasteful number, since it uses less digits than its factorization.

168880456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727968 (or 727964 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 168880456 is about 12995.4013404743. The cubic root of 168880456 is about 552.7470893054.

The spelling of 168880456 in words is "one hundred sixty-eight million, eight hundred eighty thousand, four hundred fifty-six".