1892641216 has 56 divisors (see below), whose sum is σ = 3896110064. Its totient is φ = 911554560.

The previous prime is 1892641189. The next prime is 1892641237. The reversal of 1892641216 is 6121462981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196186 + ... + 205606.

It is an arithmetic number, because the mean of its divisors is an integer number (69573394).

Almost surely, 2^1892641216 is an apocalyptic number.

1892641216 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 1892641216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1948055032).

1892641216 is an abundant number, since it is smaller than the sum of its proper divisors (2003468848).

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

1892641216 is an equidigital number, since it uses as much as digits as its factorization.

1892641216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549 (or 9539 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 1892641216 is about 43504.4965032352. The cubic root of 1892641216 is about 1236.9612586214.

The spelling of 1892641216 in words is "one billion, eight hundred ninety-two million, six hundred forty-one thousand, two hundred sixteen".