16315632 has 60 divisors (see below), whose sum is σ = 47247720. Its totient is φ = 5249664.

The previous prime is 16315613. The next prime is 16315643. The reversal of 16315632 is 23651361.

16315632 is a `hidden beast` number, since 16 + 3 + 15 + 632 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16315596 and 16315605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2223 + ... + 6129.

It is an arithmetic number, because the mean of its divisors is an integer number (787462).

Almost surely, 2^16315632 is an apocalyptic number.

16315632 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 16315632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23623860).

16315632 is an abundant number, since it is smaller than the sum of its proper divisors (30932088).

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

16315632 is a wasteful number, since it uses less digits than its factorization.

16315632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950 (or 3941 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 16315632 is about 4039.2613186076. The cubic root of 16315632 is about 253.6303963672.

Adding to 16315632 its reverse (23651361), we get a palindrome (39966993).

The spelling of 16315632 in words is "sixteen million, three hundred fifteen thousand, six hundred thirty-two".