16323541641 has 24 divisors (see below), whose sum is σ = 25816901760. Its totient is φ = 9856533600.

The previous prime is 16323541631. The next prime is 16323541657. The reversal of 16323541641 is 14614532361.

16323541641 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 3 + 5 + 4 + 1 + 641 = 666.

It is not a de Polignac number, because 16323541641 - 2²⁹ = 15786670729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16323541596 and 16323541605.

It is not an unprimeable number, because it can be changed into a prime (16323541631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277386 + ... + 331043.

It is an arithmetic number, because the mean of its divisors is an integer number (1075704240).

Almost surely, 2^16323541641 is an apocalyptic number.

16323541641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16323541641 is a deficient number, since it is larger than the sum of its proper divisors (9493360119).

16323541641 is a wasteful number, since it uses less digits than its factorization.

16323541641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608717 (or 608714 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 16323541641 in words is "sixteen billion, three hundred twenty-three million, five hundred forty-one thousand, six hundred forty-one".