16623463430 has 32 divisors (see below), whose sum is σ = 36208420416. Its totient is φ = 5364209664.

The previous prime is 16623463393. The next prime is 16623463453. The reversal of 16623463430 is 3436432661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6983459 + ... + 6985838.

It is an arithmetic number, because the mean of its divisors is an integer number (1131513138).

Almost surely, 2^16623463430 is an apocalyptic number.

16623463430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16623463430 is an abundant number, since it is smaller than the sum of its proper divisors (19584956986).

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

16623463430 is a wasteful number, since it uses less digits than its factorization.

16623463430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969328.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 16623463430 in words is "sixteen billion, six hundred twenty-three million, four hundred sixty-three thousand, four hundred thirty".