381689660632 has 16 divisors (see below), whose sum is σ = 817906415760. Its totient is φ = 163581283104.

The previous prime is 381689660621. The next prime is 381689660641. The reversal of 381689660632 is 236066986183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407943343 + ... + 3407943454.

It is an arithmetic number, because the mean of its divisors is an integer number (51119150985).

Almost surely, 2^381689660632 is an apocalyptic number.

It is an amenable number.

381689660632 is an abundant number, since it is smaller than the sum of its proper divisors (436216755128).

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

381689660632 is a wasteful number, since it uses less digits than its factorization.

381689660632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815886810 (or 6815886806 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 381689660632 in words is "three hundred eighty-one billion, six hundred eighty-nine million, six hundred sixty thousand, six hundred thirty-two".