16161635363 has 2 divisors, whose sum is σ = 16161635364. Its totient is φ = 16161635362.

The previous prime is 16161635351. The next prime is 16161635393. The reversal of 16161635363 is 36353616161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16161635363 - 2²⁶ = 16094526499 is a prime.

It is a super-2 number, since 2×16161635363² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16161635363.

It is not a weakly prime, because it can be changed into another prime (16161635393) 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 as a sum of consecutive naturals, namely, 8080817681 + 8080817682.

It is an arithmetic number, because the mean of its divisors is an integer number (8080817682).

Almost surely, 2^16161635363 is an apocalyptic number.

16161635363 is a deficient number, since it is larger than the sum of its proper divisors (1).

16161635363 is an equidigital number, since it uses as much as digits as its factorization.

16161635363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 41.

The spelling of 16161635363 in words is "sixteen billion, one hundred sixty-one million, six hundred thirty-five thousand, three hundred sixty-three".