16235653104 has 240 divisors, whose sum is σ = 50940489600. Its totient is φ = 4784693760.

The previous prime is 16235653097. The next prime is 16235653139. The reversal of 16235653104 is 40135653261.

16235653104 is a `hidden beast` number, since 1 + 62 + 3 + 565 + 31 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23770747 + ... + 23771429.

It is an arithmetic number, because the mean of its divisors is an integer number (212252040).

Almost surely, 2^16235653104 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 16235653104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25470244800).

16235653104 is an abundant number, since it is smaller than the sum of its proper divisors (34704836496).

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

16235653104 is a wasteful number, since it uses less digits than its factorization.

16235653104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 16235653104 in words is "sixteen billion, two hundred thirty-five million, six hundred fifty-three thousand, one hundred four".