1873900272816 has 320 divisors, whose sum is σ = 6466101143040. Its totient is φ = 511977231360.

The previous prime is 1873900272809. The next prime is 1873900272841. The reversal of 1873900272816 is 6182720093781.

It is a happy number.

1873900272816 is a `hidden beast` number, since 187 + 390 + 0 + 2 + 72 + 8 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2303650 + ... + 3009086.

It is an arithmetic number, because the mean of its divisors is an integer number (20206566072).

Almost surely, 2^{1873900272816} is an apocalyptic number.

1873900272816 is a gapful number since it is divisible by the number (16) 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 1873900272816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3233050571520).

1873900272816 is an abundant number, since it is smaller than the sum of its proper divisors (4592200870224).

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

1873900272816 is a wasteful number, since it uses less digits than its factorization.

1873900272816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705521 (or 705509 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 1873900272816 in words is "one trillion, eight hundred seventy-three billion, nine hundred million, two hundred seventy-two thousand, eight hundred sixteen".