16321622577039 has 24 divisors (see below), whose sum is σ = 25868232018720. Its totient is φ = 9854564571072.

The previous prime is 16321622576989. The next prime is 16321622577079. The reversal of 16321622577039 is 93077522612361.

16321622577039 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 1 + 62 + 2 + 577 + 0 + 3 + 9 = 666.

It is not a de Polignac number, because 16321622577039 - 2¹³ = 16321622568847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321622577079) 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, 1316041419 + ... + 1316053820.

It is an arithmetic number, because the mean of its divisors is an integer number (1077843000780).

Almost surely, 2^{16321622577039} is an apocalyptic number.

16321622577039 is a deficient number, since it is larger than the sum of its proper divisors (9546609441681).

16321622577039 is a wasteful number, since it uses less digits than its factorization.

16321622577039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632095311 (or 2632095308 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 16321622577039 in words is "sixteen trillion, three hundred twenty-one billion, six hundred twenty-two million, five hundred seventy-seven thousand, thirty-nine".