1613228032 has 144 divisors (see below), whose sum is σ = 3597048000. Its totient is φ = 722681856.

The previous prime is 1613227999. The next prime is 1613228069. The reversal of 1613228032 is 2308223161.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20420569 + ... + 20420647.

It is an arithmetic number, because the mean of its divisors is an integer number (24979500).

Almost surely, 2^1613228032 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 1613228032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798524000).

1613228032 is an abundant number, since it is smaller than the sum of its proper divisors (1983819968).

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

1613228032 is an equidigital number, since it uses as much as digits as its factorization.

1613228032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1613228032 is about 40165.0100460587. The cubic root of 1613228032 is about 1172.8215031169.

The spelling of 1613228032 in words is "one billion, six hundred thirteen million, two hundred twenty-eight thousand, thirty-two".