1325560016 has 40 divisors (see below), whose sum is σ = 2817298848. Its totient is φ = 599184000.

The previous prime is 1325560001. The next prime is 1325560063. The reversal of 1325560016 is 6100655231.

It is a congruent number.

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, 11051 + ... + 52661.

Almost surely, 2^1325560016 is an apocalyptic number.

1325560016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325560016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408649424).

1325560016 is an abundant number, since it is smaller than the sum of its proper divisors (1491738832).

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

1325560016 is a wasteful number, since it uses less digits than its factorization.

1325560016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41811 (or 41805 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1325560016 is about 36408.2410451260. The cubic root of 1325560016 is about 1098.4993354819.

The spelling of 1325560016 in words is "one billion, three hundred twenty-five million, five hundred sixty thousand, sixteen".