16623848436 has 24 divisors (see below), whose sum is σ = 41772747744. Its totient is φ = 5115030240.

The previous prime is 16623848431. The next prime is 16623848453. The reversal of 16623848436 is 63484832661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16623848431) 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, 53281410 + ... + 53281721.

It is an arithmetic number, because the mean of its divisors is an integer number (1740531156).

Almost surely, 2^16623848436 is an apocalyptic number.

It is an amenable number.

16623848436 is an abundant number, since it is smaller than the sum of its proper divisors (25148899308).

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

16623848436 is a wasteful number, since it uses less digits than its factorization.

16623848436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106563151 (or 106563149 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 16623848436 in words is "sixteen billion, six hundred twenty-three million, eight hundred forty-eight thousand, four hundred thirty-six".