99163031145 has 16 divisors (see below), whose sum is σ = 160572428352. Its totient is φ = 52249757120.

The previous prime is 99163031141. The next prime is 99163031153. The reversal of 99163031145 is 54113036199.

It is not a de Polignac number, because 99163031145 - 2² = 99163031141 is a prime.

It is a super-2 number, since 2×99163031145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99163031097 and 99163031106.

It is not an unprimeable number, because it can be changed into a prime (99163031141) 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 15 ways as a sum of consecutive naturals, for example, 39823266 + ... + 39825755.

It is an arithmetic number, because the mean of its divisors is an integer number (10035776772).

Almost surely, 2^99163031145 is an apocalyptic number.

It is an amenable number.

99163031145 is a deficient number, since it is larger than the sum of its proper divisors (61409397207).

99163031145 is a wasteful number, since it uses less digits than its factorization.

99163031145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79649112.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 99163031145 in words is "ninety-nine billion, one hundred sixty-three million, thirty-one thousand, one hundred forty-five".