1866892222932 has 192 divisors, whose sum is σ = 5121736704000. Its totient is φ = 523357718400.

The previous prime is 1866892222913. The next prime is 1866892222957. The reversal of 1866892222932 is 2392222986681.

It is a happy number.

It is a congruent number.

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, 188132923 + ... + 188142845.

It is an arithmetic number, because the mean of its divisors is an integer number (26675712000).

Almost surely, 2^{1866892222932} is an apocalyptic number.

1866892222932 is a gapful number since it is divisible by the number (12) 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 1866892222932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560868352000).

1866892222932 is an abundant number, since it is smaller than the sum of its proper divisors (3254844481068).

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

1866892222932 is a wasteful number, since it uses less digits than its factorization.

1866892222932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994 (or 11992 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 60.

The spelling of 1866892222932 in words is "one trillion, eight hundred sixty-six billion, eight hundred ninety-two million, two hundred twenty-two thousand, nine hundred thirty-two".