16405172383 has 2 divisors, whose sum is σ = 16405172384. Its totient is φ = 16405172382.

The previous prime is 16405172323. The next prime is 16405172401. The reversal of 16405172383 is 38327150461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16405172383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16405172323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202586191 + 8202586192.

It is an arithmetic number, because the mean of its divisors is an integer number (8202586192).

Almost surely, 2^16405172383 is an apocalyptic number.

16405172383 is a deficient number, since it is larger than the sum of its proper divisors (1).

16405172383 is an equidigital number, since it uses as much as digits as its factorization.

16405172383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 16405172383 in words is "sixteen billion, four hundred five million, one hundred seventy-two thousand, three hundred eighty-three".