1812896316 has 240 divisors, whose sum is σ = 6033350400. Its totient is φ = 470564640.

The previous prime is 1812896299. The next prime is 1812896329. The reversal of 1812896316 is 6136982181.

1812896316 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 8 + 9 + 631 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1221711 + ... + 1223193.

It is an arithmetic number, because the mean of its divisors is an integer number (25138960).

Almost surely, 2^1812896316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812896316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3016675200).

1812896316 is an abundant number, since it is smaller than the sum of its proper divisors (4220454084).

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

1812896316 is a wasteful number, since it uses less digits than its factorization.

1812896316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1506 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1812896316 is about 42578.1201557795. The cubic root of 1812896316 is about 1219.3385996643.

The spelling of 1812896316 in words is "one billion, eight hundred twelve million, eight hundred ninety-six thousand, three hundred sixteen".