1612198944 has 384 divisors, whose sum is σ = 5388768000. Its totient is φ = 465813504.

The previous prime is 1612198909. The next prime is 1612198967. The reversal of 1612198944 is 4498912161.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1612198944.

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, 14790762 + ... + 14790870.

It is an arithmetic number, because the mean of its divisors is an integer number (14033250).

Almost surely, 2^1612198944 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 1612198944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694384000).

1612198944 is an abundant number, since it is smaller than the sum of its proper divisors (3776569056).

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

1612198944 is a wasteful number, since it uses less digits than its factorization.

1612198944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 203 counting only the distinct ones).

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

The square root of 1612198944 is about 40152.1972499638. The cubic root of 1612198944 is about 1172.5720667406.

The spelling of 1612198944 in words is "one billion, six hundred twelve million, one hundred ninety-eight thousand, nine hundred forty-four".