1618786213804 has 12 divisors (see below), whose sum is σ = 2844630547528. Its totient is φ = 806034628800.

The previous prime is 1618786213799. The next prime is 1618786213879. The reversal of 1618786213804 is 4083126878161.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839618442 + ... + 839620369.

Almost surely, 2^{1618786213804} is an apocalyptic number.

It is an amenable number.

1618786213804 is a deficient number, since it is larger than the sum of its proper divisors (1225844333724).

1618786213804 is a wasteful number, since it uses less digits than its factorization.

1618786213804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679239056 (or 1679239054 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 1618786213804 in words is "one trillion, six hundred eighteen billion, seven hundred eighty-six million, two hundred thirteen thousand, eight hundred four".