16408008398 has 4 divisors (see below), whose sum is σ = 24612012600. Its totient is φ = 8204004198.

The previous prime is 16408008377. The next prime is 16408008401. The reversal of 16408008398 is 89380080461.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4102002098 + ... + 4102002101.

It is an arithmetic number, because the mean of its divisors is an integer number (6153003150).

Almost surely, 2^16408008398 is an apocalyptic number.

16408008398 is a deficient number, since it is larger than the sum of its proper divisors (8204004202).

16408008398 is an equidigital number, since it uses as much as digits as its factorization.

16408008398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204004201.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 16408008398 in words is "sixteen billion, four hundred eight million, eight thousand, three hundred ninety-eight".