1620033152 has 32 divisors (see below), whose sum is σ = 3367738080. Its totient is φ = 774797056.

The previous prime is 1620033113. The next prime is 1620033169. The reversal of 1620033152 is 2513300261.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272198 + ... + 278085.

It is an arithmetic number, because the mean of its divisors is an integer number (105241815).

Almost surely, 2^1620033152 is an apocalyptic number.

It is an amenable number.

1620033152 is an abundant number, since it is smaller than the sum of its proper divisors (1747704928).

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

1620033152 is an equidigital number, since it uses as much as digits as its factorization.

1620033152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550320 (or 550308 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1620033152 is about 40249.6354269203. The cubic root of 1620033152 is about 1174.4683037585.

The spelling of 1620033152 in words is "one billion, six hundred twenty million, thirty-three thousand, one hundred fifty-two".