16308693941 has 4 divisors (see below), whose sum is σ = 16309116300. Its totient is φ = 16308271584.

The previous prime is 16308693899. The next prime is 16308693967. The reversal of 16308693941 is 14939680361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12430020100 + 3878673841 = 111490^2 + 62279^2 .

It is a cyclic number.

It is not a de Polignac number, because 16308693941 - 2²² = 16304499637 is a prime.

It is a super-2 number, since 2×16308693941² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16308693941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16308690941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146696 + ... + 232673.

It is an arithmetic number, because the mean of its divisors is an integer number (4077279075).

Almost surely, 2^16308693941 is an apocalyptic number.

It is an amenable number.

16308693941 is a deficient number, since it is larger than the sum of its proper divisors (422359).

16308693941 is an equidigital number, since it uses as much as digits as its factorization.

16308693941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422358.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 16308693941 in words is "sixteen billion, three hundred eight million, six hundred ninety-three thousand, nine hundred forty-one".