168740867 has 2 divisors, whose sum is σ = 168740868. Its totient is φ = 168740866.

The previous prime is 168740851. The next prime is 168740899. The reversal of 168740867 is 768047861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168740867 - 2⁴ = 168740851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168740267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84370433 + 84370434.

It is an arithmetic number, because the mean of its divisors is an integer number (84370434).

Almost surely, 2^168740867 is an apocalyptic number.

168740867 is a deficient number, since it is larger than the sum of its proper divisors (1).

168740867 is an equidigital number, since it uses as much as digits as its factorization.

168740867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 168740867 is about 12990.0295226762. The cubic root of 168740867 is about 552.5947553541.

The spelling of 168740867 in words is "one hundred sixty-eight million, seven hundred forty thousand, eight hundred sixty-seven".