16630404354 has 56 divisors (see below), whose sum is σ = 37463755440. Its totient is φ = 5534212248.

The previous prime is 16630404277. The next prime is 16630404361. The reversal of 16630404354 is 45340403661.

16630404354 is a `hidden beast` number, since 16 + 630 + 4 + 0 + 4 + 3 + 5 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 893289 + ... + 911715.

Almost surely, 2^16630404354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16630404354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18731877720).

16630404354 is an abundant number, since it is smaller than the sum of its proper divisors (20833351086).

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

16630404354 is an equidigital number, since it uses as much as digits as its factorization.

16630404354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19066 (or 19051 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 16630404354 in words is "sixteen billion, six hundred thirty million, four hundred four thousand, three hundred fifty-four".