1860921264160 has 192 divisors, whose sum is σ = 5049417139200. Its totient is φ = 634868785152.

The previous prime is 1860921264157. The next prime is 1860921264173. The reversal of 1860921264160 is 614621290681.

It is a happy number.

It is a super-3 number, since 3×1860921264160³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1860921264160.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576313426 + ... + 576316654.

It is an arithmetic number, because the mean of its divisors is an integer number (26299047600).

Almost surely, 2^{1860921264160} is an apocalyptic number.

1860921264160 is a gapful number since it is divisible by the number (10) 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 1860921264160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524708569600).

1860921264160 is an abundant number, since it is smaller than the sum of its proper divisors (3188495875040).

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

1860921264160 is a wasteful number, since it uses less digits than its factorization.

1860921264160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5643 (or 5635 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 1860921264160 in words is "one trillion, eight hundred sixty billion, nine hundred twenty-one million, two hundred sixty-four thousand, one hundred sixty".