168905704 has 16 divisors (see below), whose sum is σ = 345489120. Its totient is φ = 76775280.

The previous prime is 168905651. The next prime is 168905707. The reversal of 168905704 is 407509861.

It is not an unprimeable number, because it can be changed into a prime (168905707) 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, 959604 + ... + 959779.

It is an arithmetic number, because the mean of its divisors is an integer number (21593070).

Almost surely, 2^168905704 is an apocalyptic number.

It is an amenable number.

168905704 is an abundant number, since it is smaller than the sum of its proper divisors (176583416).

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

168905704 is a wasteful number, since it uses less digits than its factorization.

168905704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919400 (or 1919396 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 168905704 is about 12996.3727247259. The cubic root of 168905704 is about 552.7746335684.

The spelling of 168905704 in words is "one hundred sixty-eight million, nine hundred five thousand, seven hundred four".