168054861 has 16 divisors (see below), whose sum is σ = 241727360. Its totient is φ = 103239360.

The previous prime is 168054857. The next prime is 168054869. The reversal of 168054861 is 168450861.

It is not a de Polignac number, because 168054861 - 2² = 168054857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168054869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21195 + ... + 28023.

It is an arithmetic number, because the mean of its divisors is an integer number (15107960).

Almost surely, 2^168054861 is an apocalyptic number.

It is an amenable number.

168054861 is a deficient number, since it is larger than the sum of its proper divisors (73672499).

168054861 is a wasteful number, since it uses less digits than its factorization.

168054861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 168054861 is about 12963.5975330924. The cubic root of 168054861 is about 551.8448911757.

The spelling of 168054861 in words is "one hundred sixty-eight million, fifty-four thousand, eight hundred sixty-one".