168431084 has 12 divisors (see below), whose sum is σ = 294890904. Its totient is φ = 84176544.

The previous prime is 168431071. The next prime is 168431089. The reversal of 168431084 is 480134861.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (168431089) 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, 1379 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (24574242).

Almost surely, 2^168431084 is an apocalyptic number.

It is an amenable number.

168431084 is a deficient number, since it is larger than the sum of its proper divisors (126459820).

168431084 is a wasteful number, since it uses less digits than its factorization.

168431084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19504 (or 19502 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 168431084 is about 12978.1001691311. The cubic root of 168431084 is about 552.2563877583.

It can be divided in two parts, 1684 and 31084, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 168431084 in words is "one hundred sixty-eight million, four hundred thirty-one thousand, eighty-four".