163599401143 has 16 divisors (see below), whose sum is σ = 181287578880. Its totient is φ = 146938264704.

The previous prime is 163599401129. The next prime is 163599401153. The reversal of 163599401143 is 341104995361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163599401143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163599401093 and 163599401102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163599401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607121 + ... + 1705882.

It is an arithmetic number, because the mean of its divisors is an integer number (11330473680).

Almost surely, 2^163599401143 is an apocalyptic number.

163599401143 is a deficient number, since it is larger than the sum of its proper divisors (17688177737).

163599401143 is a wasteful number, since it uses less digits than its factorization.

163599401143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313158.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 163599401143 in words is "one hundred sixty-three billion, five hundred ninety-nine million, four hundred one thousand, one hundred forty-three".