381564099696 has 160 divisors (see below), whose sum is σ = 1091772622080. Its totient is φ = 114082560000.

The previous prime is 381564099689. The next prime is 381564099733. The reversal of 381564099696 is 696990465183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6391875 + ... + 6451293.

It is an arithmetic number, because the mean of its divisors is an integer number (6823578888).

Almost surely, 2^381564099696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381564099696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545886311040).

381564099696 is an abundant number, since it is smaller than the sum of its proper divisors (710208522384).

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

381564099696 is a wasteful number, since it uses less digits than its factorization.

381564099696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59735 (or 59729 counting only the distinct ones).

The product of its (nonzero) digits is 75582720, while the sum is 66.

The spelling of 381564099696 in words is "three hundred eighty-one billion, five hundred sixty-four million, ninety-nine thousand, six hundred ninety-six".