1798866807164 has 24 divisors (see below), whose sum is σ = 3598459680480. Its totient is φ = 770787331776.

The previous prime is 1798866807139. The next prime is 1798866807173. The reversal of 1798866807164 is 4617086688971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6341459 + ... + 6619050.

It is an arithmetic number, because the mean of its divisors is an integer number (149935820020).

Almost surely, 2^{1798866807164} is an apocalyptic number.

1798866807164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1798866807164 is an abundant number, since it is smaller than the sum of its proper divisors (1799592873316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1798866807164 is a wasteful number, since it uses less digits than its factorization.

1798866807164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965477 (or 12965475 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 71.

The spelling of 1798866807164 in words is "one trillion, seven hundred ninety-eight billion, eight hundred sixty-six million, eight hundred seven thousand, one hundred sixty-four".