1625988896 has 48 divisors (see below), whose sum is σ = 3681002304. Its totient is φ = 692561664.

The previous prime is 1625988893. The next prime is 1625988901. The reversal of 1625988896 is 6988895261.

It is not an unprimeable number, because it can be changed into a prime (1625988893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14246 + ... + 58778.

It is an arithmetic number, because the mean of its divisors is an integer number (76687548).

Almost surely, 2^1625988896 is an apocalyptic number.

1625988896 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 1625988896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840501152).

1625988896 is an abundant number, since it is smaller than the sum of its proper divisors (2055013408).

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

1625988896 is a wasteful number, since it uses less digits than its factorization.

1625988896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44713 (or 44705 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 62.

The square root of 1625988896 is about 40323.5526212659. The cubic root of 1625988896 is about 1175.9057801633.

The spelling of 1625988896 in words is "one billion, six hundred twenty-five million, nine hundred eighty-eight thousand, eight hundred ninety-six".