168518870 has 32 divisors (see below), whose sum is σ = 328188672. Its totient is φ = 61932672.

The previous prime is 168518863. The next prime is 168518879. The reversal of 168518870 is 78815861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168518879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26084 + ... + 31896.

It is an arithmetic number, because the mean of its divisors is an integer number (10255896).

Almost surely, 2^168518870 is an apocalyptic number.

168518870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168518870 is a deficient number, since it is larger than the sum of its proper divisors (159669802).

168518870 is a wasteful number, since it uses less digits than its factorization.

168518870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 107520, while the sum is 44.

The square root of 168518870 is about 12981.4818106409. The cubic root of 168518870 is about 552.3523161303.

The spelling of 168518870 in words is "one hundred sixty-eight million, five hundred eighteen thousand, eight hundred seventy".