16416356403 has 16 divisors (see below), whose sum is σ = 22262363136. Its totient is φ = 10758845760.

The previous prime is 16416356401. The next prime is 16416356447. The reversal of 16416356403 is 30465361461.

It is not a de Polignac number, because 16416356403 - 2¹ = 16416356401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16416356401) 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, 151563 + ... + 236228.

It is an arithmetic number, because the mean of its divisors is an integer number (1391397696).

Almost surely, 2^16416356403 is an apocalyptic number.

16416356403 is a deficient number, since it is larger than the sum of its proper divisors (5846006733).

16416356403 is a wasteful number, since it uses less digits than its factorization.

16416356403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388034.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 16416356403 in words is "sixteen billion, four hundred sixteen million, three hundred fifty-six thousand, four hundred three".