381113461616 has 40 divisors (see below), whose sum is σ = 764193223920. Its totient is φ = 183907874304.

The previous prime is 381113461609. The next prime is 381113461627. The reversal of 381113461616 is 616164311183.

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 7 ways as a sum of consecutive naturals, for example, 930155 + ... + 1275701.

It is an arithmetic number, because the mean of its divisors is an integer number (19104830598).

Almost surely, 2^381113461616 is an apocalyptic number.

It is an amenable number.

381113461616 is an abundant number, since it is smaller than the sum of its proper divisors (383079762304).

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

381113461616 is a wasteful number, since it uses less digits than its factorization.

381113461616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347961 (or 347955 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

Adding to 381113461616 its reverse (616164311183), we get a palindrome (997277772799).

The spelling of 381113461616 in words is "three hundred eighty-one billion, one hundred thirteen million, four hundred sixty-one thousand, six hundred sixteen".