16506423354 has 32 divisors (see below), whose sum is σ = 33268735296. Its totient is φ = 5459529600.

The previous prime is 16506423341. The next prime is 16506423379. The reversal of 16506423354 is 45332460561.

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, 3327444 + ... + 3332400.

It is an arithmetic number, because the mean of its divisors is an integer number (1039647978).

Almost surely, 2^16506423354 is an apocalyptic number.

16506423354 is an abundant number, since it is smaller than the sum of its proper divisors (16762311942).

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

16506423354 is a wasteful number, since it uses less digits than its factorization.

16506423354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 16506423354 in words is "sixteen billion, five hundred six million, four hundred twenty-three thousand, three hundred fifty-four".