215000168 has 8 divisors (see below), whose sum is σ = 403125330. Its totient is φ = 107500080.

The previous prime is 215000167. The next prime is 215000179. The reversal of 215000168 is 861000512.

It can be written as a sum of positive squares in only one way, i.e., 212634724 + 2365444 = 14582^2 + 1538^2 .

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 (215000167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13437503 + ... + 13437518.

Almost surely, 2^215000168 is an apocalyptic number.

It is an amenable number.

215000168 is a deficient number, since it is larger than the sum of its proper divisors (188125162).

215000168 is a wasteful number, since it uses less digits than its factorization.

215000168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26875027 (or 26875023 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 215000168 is about 14662.8840273665. The cubic root of 215000168 is about 599.0727975270.

The spelling of 215000168 in words is "two hundred fifteen million, one hundred sixty-eight", and thus it is an aban number.