168861267 has 20 divisors (see below), whose sum is σ = 252865800. Its totient is φ = 112299264.

The previous prime is 168861263. The next prime is 168861269. The reversal of 168861267 is 762168861.

It is a happy number.

It is not a de Polignac number, because 168861267 - 2² = 168861263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168861263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34048 + ... + 38690.

It is an arithmetic number, because the mean of its divisors is an integer number (12643290).

Almost surely, 2^168861267 is an apocalyptic number.

168861267 is a deficient number, since it is larger than the sum of its proper divisors (84004533).

168861267 is an equidigital number, since it uses as much as digits as its factorization.

168861267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104 (or 5095 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 168861267 is about 12994.6630198709. The cubic root of 168861267 is about 552.7261532621.

The spelling of 168861267 in words is "one hundred sixty-eight million, eight hundred sixty-one thousand, two hundred sixty-seven".