16405372333 has 12 divisors (see below), whose sum is σ = 19101165120. Its totient is φ = 14048952792.

The previous prime is 16405372307. The next prime is 16405372337. The reversal of 16405372333 is 33327350461.

It is a happy number.

It is not a de Polignac number, because 16405372333 - 2²¹ = 16403275181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16405372292 and 16405372301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16405372337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97723 + ... + 205816.

It is an arithmetic number, because the mean of its divisors is an integer number (1591763760).

Almost surely, 2^16405372333 is an apocalyptic number.

It is an amenable number.

16405372333 is a deficient number, since it is larger than the sum of its proper divisors (2695792787).

16405372333 is a wasteful number, since it uses less digits than its factorization.

16405372333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304656 (or 304649 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 37.

The spelling of 16405372333 in words is "sixteen billion, four hundred five million, three hundred seventy-two thousand, three hundred thirty-three".