901613648 has 50 divisors (see below), whose sum is σ = 1893403554. Its totient is φ = 415918464.

The previous prime is 901613621. The next prime is 901613651. The reversal of 901613648 is 846316109.

It can be written as a sum of positive squares in 5 ways, for example, as 848440384 + 53173264 = 29128^2 + 7292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 455990 + ... + 457962.

Almost surely, 2^901613648 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 901613648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946701777).

901613648 is an abundant number, since it is smaller than the sum of its proper divisors (991789906).

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

901613648 is an equidigital number, since it uses as much as digits as its factorization.

901613648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 901613648 is about 30026.8820892213. The cubic root of 901613648 is about 966.0660623205.

The spelling of 901613648 in words is "nine hundred one million, six hundred thirteen thousand, six hundred forty-eight".