1868619167012 has 36 divisors (see below), whose sum is σ = 3541618535616. Its totient is φ = 862283616480.

The previous prime is 1868619167011. The next prime is 1868619167059. The reversal of 1868619167012 is 2107619168681.

It is not an unprimeable number, because it can be changed into a prime (1868619167011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3532313 + ... + 4026719.

It is an arithmetic number, because the mean of its divisors is an integer number (98378292656).

Almost surely, 2^{1868619167012} is an apocalyptic number.

It is an amenable number.

1868619167012 is a deficient number, since it is larger than the sum of its proper divisors (1672999368604).

1868619167012 is a wasteful number, since it uses less digits than its factorization.

1868619167012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500028 (or 500013 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 56.

The spelling of 1868619167012 in words is "one trillion, eight hundred sixty-eight billion, six hundred nineteen million, one hundred sixty-seven thousand, twelve".