16506423350 has 48 divisors (see below), whose sum is σ = 32126858928. Its totient is φ = 6302874240.

The previous prime is 16506423341. The next prime is 16506423379. The reversal of 16506423350 is 5332460561.

It is a self number, because there is not a number n which added to its sum of digits gives 16506423350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13877 + ... + 182223.

It is an arithmetic number, because the mean of its divisors is an integer number (669309561).

Almost surely, 2^16506423350 is an apocalyptic number.

16506423350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16506423350 is a deficient number, since it is larger than the sum of its proper divisors (15620435578).

16506423350 is a wasteful number, since it uses less digits than its factorization.

16506423350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168449 (or 168444 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 16506423350 in words is "sixteen billion, five hundred six million, four hundred twenty-three thousand, three hundred fifty".