16923890652 has 24 divisors (see below), whose sum is σ = 39491802000. Its totient is φ = 5640907776.

The previous prime is 16923890639. The next prime is 16923890657. The reversal of 16923890652 is 25609832961.

It is a junction number, because it is equal to n+sod(n) for n = 16923890595 and 16923890604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16923890657) 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, 172974 + ... + 252522.

It is an arithmetic number, because the mean of its divisors is an integer number (1645491750).

Almost surely, 2^16923890652 is an apocalyptic number.

16923890652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16923890652 is an abundant number, since it is smaller than the sum of its proper divisors (22567911348).

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

16923890652 is a wasteful number, since it uses less digits than its factorization.

16923890652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97285 (or 97283 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 16923890652 in words is "sixteen billion, nine hundred twenty-three million, eight hundred ninety thousand, six hundred fifty-two".