1623605152 has 48 divisors (see below), whose sum is σ = 3465286272. Its totient is φ = 744364800.

The previous prime is 1623605147. The next prime is 1623605197. The reversal of 1623605152 is 2515063261.

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, 49893 + ... + 75739.

It is an arithmetic number, because the mean of its divisors is an integer number (72193464).

Almost surely, 2^1623605152 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 1623605152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732643136).

1623605152 is an abundant number, since it is smaller than the sum of its proper divisors (1841681120).

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

1623605152 is a wasteful number, since it uses less digits than its factorization.

1623605152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26021 (or 26013 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1623605152 is about 40293.9840671036. The cubic root of 1623605152 is about 1175.3308624915.

The spelling of 1623605152 in words is "one billion, six hundred twenty-three million, six hundred five thousand, one hundred fifty-two".