2378686616 has 16 divisors (see below), whose sum is σ = 4462932600. Its totient is φ = 1188571264.

The previous prime is 2378686613. The next prime is 2378686663. The reversal of 2378686616 is 6166868732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378686613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83306 + ... + 108153.

Almost surely, 2^2378686616 is an apocalyptic number.

It is an amenable number.

2378686616 is a deficient number, since it is larger than the sum of its proper divisors (2084245984).

2378686616 is a wasteful number, since it uses less digits than its factorization.

2378686616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193018 (or 193014 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The square root of 2378686616 is about 48771.7809393916. The cubic root of 2378686616 is about 1334.8908093818.

The spelling of 2378686616 in words is "two billion, three hundred seventy-eight million, six hundred eighty-six thousand, six hundred sixteen".