16404516343 has 16 divisors (see below), whose sum is σ = 18178202880. Its totient is φ = 14733823104.

The previous prime is 16404516311. The next prime is 16404516407. The reversal of 16404516343 is 34361540461.

It is a cyclic number.

It is not a de Polignac number, because 16404516343 - 2⁵ = 16404516311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16404526343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116721 + ... + 215482.

It is an arithmetic number, because the mean of its divisors is an integer number (1136137680).

Almost surely, 2^16404516343 is an apocalyptic number.

16404516343 is a deficient number, since it is larger than the sum of its proper divisors (1773686537).

16404516343 is a wasteful number, since it uses less digits than its factorization.

16404516343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332358.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 16404516343 in words is "sixteen billion, four hundred four million, five hundred sixteen thousand, three hundred forty-three".