2381355170664 has 32 divisors (see below), whose sum is σ = 5953434613440. Its totient is φ = 793778832000.

The previous prime is 2381355170647. The next prime is 2381355170669. The reversal of 2381355170664 is 4660715531832.

2381355170664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2381355170669) 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, 3548364 + ... + 4165764.

It is an arithmetic number, because the mean of its divisors is an integer number (186044831670).

Almost surely, 2^{2381355170664} is an apocalyptic number.

2381355170664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2381355170664 is an abundant number, since it is smaller than the sum of its proper divisors (3572079442776).

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

2381355170664 is a wasteful number, since it uses less digits than its factorization.

2381355170664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778121 (or 778117 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 2381355170664 in words is "two trillion, three hundred eighty-one billion, three hundred fifty-five million, one hundred seventy thousand, six hundred sixty-four".