168928867 has 12 divisors (see below), whose sum is σ = 178817016. Its totient is φ = 159563520.

The previous prime is 168928831. The next prime is 168928871. The reversal of 168928867 is 768829861.

It is not a de Polignac number, because 168928867 - 2¹⁵ = 168896099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168928807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207892 + ... + 208702.

It is an arithmetic number, because the mean of its divisors is an integer number (14901418).

Almost surely, 2^168928867 is an apocalyptic number.

168928867 is a deficient number, since it is larger than the sum of its proper divisors (9888149).

168928867 is an equidigital number, since it uses as much as digits as its factorization.

168928867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1407 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The square root of 168928867 is about 12997.2638274369. The cubic root of 168928867 is about 552.7999007901.

The spelling of 168928867 in words is "one hundred sixty-eight million, nine hundred twenty-eight thousand, eight hundred sixty-seven".