168472986 has 16 divisors (see below), whose sum is σ = 367577568. Its totient is φ = 51052400.

The previous prime is 168472963. The next prime is 168472987. The reversal of 168472986 is 689274861.

It is not an unprimeable number, because it can be changed into a prime (168472987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276245 + ... + 1276376.

It is an arithmetic number, because the mean of its divisors is an integer number (22973598).

Almost surely, 2^168472986 is an apocalyptic number.

168472986 is an abundant number, since it is smaller than the sum of its proper divisors (199104582).

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

168472986 is a wasteful number, since it uses less digits than its factorization.

168472986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552637.

The product of its digits is 1161216, while the sum is 51.

The square root of 168472986 is about 12979.7144036377. The cubic root of 168472986 is about 552.3021804309.

The spelling of 168472986 in words is "one hundred sixty-eight million, four hundred seventy-two thousand, nine hundred eighty-six".