168867016 has 8 divisors (see below), whose sum is σ = 316625670. Its totient is φ = 84433504.

The previous prime is 168867011. The next prime is 168867019. The reversal of 168867016 is 610768861.

It can be written as a sum of positive squares in only one way, i.e., 167806116 + 1060900 = 12954^2 + 1030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (168867011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10554181 + ... + 10554196.

Almost surely, 2^168867016 is an apocalyptic number.

It is an amenable number.

168867016 is a deficient number, since it is larger than the sum of its proper divisors (147758654).

168867016 is a wasteful number, since it uses less digits than its factorization.

168867016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21108383 (or 21108379 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 168867016 is about 12994.8842241861. The cubic root of 168867016 is about 552.7324258404.

The spelling of 168867016 in words is "one hundred sixty-eight million, eight hundred sixty-seven thousand, sixteen".