1872338883966 has 48 divisors (see below), whose sum is σ = 4104967845888. Its totient is φ = 616731570000.

The previous prime is 1872338883901. The next prime is 1872338883973. The reversal of 1872338883966 is 6693888332781.

It is a happy number.

1872338883966 is a `hidden beast` number, since 1 + 87 + 2 + 3 + 388 + 83 + 96 + 6 = 666.

It is a super-2 number, since 2×1872338883966² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1872338883894 and 1872338883903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057780 + ... + 2205351.

It is an arithmetic number, because the mean of its divisors is an integer number (85520163456).

Almost surely, 2^{1872338883966} is an apocalyptic number.

1872338883966 is an abundant number, since it is smaller than the sum of its proper divisors (2232628961922).

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

1872338883966 is a wasteful number, since it uses less digits than its factorization.

1872338883966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263517 (or 3263514 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 72.

The spelling of 1872338883966 in words is "one trillion, eight hundred seventy-two billion, three hundred thirty-eight million, eight hundred eighty-three thousand, nine hundred sixty-six".