168472238599866 has 8 divisors (see below), whose sum is σ = 336944477199744. Its totient is φ = 56157412866620.

The previous prime is 168472238599849. The next prime is 168472238599927. The reversal of 168472238599866 is 668995832274861.

It is a sphenic number, since it is the product of 3 distinct primes.

168472238599866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14039353216650 + ... + 14039353216661.

It is an arithmetic number, because the mean of its divisors is an integer number (42118059649968).

Almost surely, 2^{168472238599866} is an apocalyptic number.

168472238599866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168472238599866 is a wasteful number, since it uses less digits than its factorization.

168472238599866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28078706433316.

The product of its digits is 15049359360, while the sum is 84.

The spelling of 168472238599866 in words is "one hundred sixty-eight trillion, four hundred seventy-two billion, two hundred thirty-eight million, five hundred ninety-nine thousand, eight hundred sixty-six".