1878245052616 has 32 divisors (see below), whose sum is σ = 3575841605280. Its totient is φ = 924699600000.

The previous prime is 1878245052599. The next prime is 1878245052617. The reversal of 1878245052616 is 6162505428781.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1878245052617) 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, 454491 + ... + 1990741.

It is an arithmetic number, because the mean of its divisors is an integer number (111745050165).

Almost surely, 2^{1878245052616} is an apocalyptic number.

It is an amenable number.

1878245052616 is a deficient number, since it is larger than the sum of its proper divisors (1697596552664).

1878245052616 is a wasteful number, since it uses less digits than its factorization.

1878245052616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538605 (or 1538601 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 1878245052616 in words is "one trillion, eight hundred seventy-eight billion, two hundred forty-five million, fifty-two thousand, six hundred sixteen".