16546974468 has 12 divisors (see below), whose sum is σ = 38609607120. Its totient is φ = 5515658152.

The previous prime is 16546974421. The next prime is 16546974481. The reversal of 16546974468 is 86447964561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689457258 + ... + 689457281.

It is an arithmetic number, because the mean of its divisors is an integer number (3217467260).

Almost surely, 2^16546974468 is an apocalyptic number.

It is an amenable number.

16546974468 is an abundant number, since it is smaller than the sum of its proper divisors (22062632652).

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

16546974468 is a wasteful number, since it uses less digits than its factorization.

16546974468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378914546 (or 1378914544 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 16546974468 in words is "sixteen billion, five hundred forty-six million, nine hundred seventy-four thousand, four hundred sixty-eight".