381236166768 has 40 divisors (see below), whose sum is σ = 989809168000. Its totient is φ = 126440132544.

The previous prime is 381236166761. The next prime is 381236166769. The reversal of 381236166768 is 867661632183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381236166761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19946278 + ... + 19965381.

It is an arithmetic number, because the mean of its divisors is an integer number (24745229200).

Almost surely, 2^381236166768 is an apocalyptic number.

It is an amenable number.

381236166768 is an abundant number, since it is smaller than the sum of its proper divisors (608573001232).

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

381236166768 is a wasteful number, since it uses less digits than its factorization.

381236166768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39911869 (or 39911863 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 381236166768 in words is "three hundred eighty-one billion, two hundred thirty-six million, one hundred sixty-six thousand, seven hundred sixty-eight".