16395025632 has 96 divisors (see below), whose sum is σ = 43927750944. Its totient is φ = 5352652800.

The previous prime is 16395025627. The next prime is 16395025727. The reversal of 16395025632 is 23652059361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405488 + ... + 1417104.

It is an arithmetic number, because the mean of its divisors is an integer number (457580739).

Almost surely, 2^16395025632 is an apocalyptic number.

16395025632 is a gapful number since it is divisible by the number (12) 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 16395025632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21963875472).

16395025632 is an abundant number, since it is smaller than the sum of its proper divisors (27532725312).

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

16395025632 is a wasteful number, since it uses less digits than its factorization.

16395025632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16395025632 in words is "sixteen billion, three hundred ninety-five million, twenty-five thousand, six hundred thirty-two".