1788198020364 has 96 divisors (see below), whose sum is σ = 4855469301760. Its totient is φ = 501648282432.

The previous prime is 1788198020363. The next prime is 1788198020509. The reversal of 1788198020364 is 4630208918871.

It is not an unprimeable number, because it can be changed into a prime (1788198020363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1210317 + ... + 2245275.

Almost surely, 2^{1788198020364} is an apocalyptic number.

1788198020364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1788198020364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2427734650880).

1788198020364 is an abundant number, since it is smaller than the sum of its proper divisors (3067271281396).

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

1788198020364 is a wasteful number, since it uses less digits than its factorization.

1788198020364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035347 (or 1035345 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 1788198020364 in words is "one trillion, seven hundred eighty-eight billion, one hundred ninety-eight million, twenty thousand, three hundred sixty-four".