16235604372 has 48 divisors (see below), whose sum is σ = 40820518592. Its totient is φ = 4992710400.

The previous prime is 16235604349. The next prime is 16235604379. The reversal of 16235604372 is 27340653261.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16235604372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16235604379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252063 + ... + 309849.

Almost surely, 2^16235604372 is an apocalyptic number.

16235604372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16235604372 is an abundant number, since it is smaller than the sum of its proper divisors (24584914220).

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

16235604372 is a wasteful number, since it uses less digits than its factorization.

16235604372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59608 (or 59606 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 16235604372 in words is "sixteen billion, two hundred thirty-five million, six hundred four thousand, three hundred seventy-two".