1868947425416 has 32 divisors (see below), whose sum is σ = 3710532032640. Its totient is φ = 879475822848.

The previous prime is 1868947425391. The next prime is 1868947425419. The reversal of 1868947425416 is 6145247498681.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1868947425419) 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, 4263701 + ... + 4681563.

It is an arithmetic number, because the mean of its divisors is an integer number (115954126020).

Almost surely, 2^{1868947425416} is an apocalyptic number.

It is an amenable number.

1868947425416 is a deficient number, since it is larger than the sum of its proper divisors (1841584607224).

1868947425416 is a wasteful number, since it uses less digits than its factorization.

1868947425416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450773 (or 450769 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 65.

The spelling of 1868947425416 in words is "one trillion, eight hundred sixty-eight billion, nine hundred forty-seven million, four hundred twenty-five thousand, four hundred sixteen".