16340450555 has 32 divisors (see below), whose sum is σ = 23218126848. Its totient is φ = 10883376000.

The previous prime is 16340450447. The next prime is 16340450587. The reversal of 16340450555 is 55505404361.

It is a de Polignac number, because none of the positive numbers 2^k-16340450555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830 + ... + 180780.

It is an arithmetic number, because the mean of its divisors is an integer number (725566464).

Almost surely, 2^16340450555 is an apocalyptic number.

16340450555 is a deficient number, since it is larger than the sum of its proper divisors (6877676293).

16340450555 is a wasteful number, since it uses less digits than its factorization.

16340450555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180107.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 16340450555 in words is "sixteen billion, three hundred forty million, four hundred fifty thousand, five hundred fifty-five".