99161415 has 20 divisors (see below), whose sum is σ = 177756744. Its totient is φ = 52885872.

The previous prime is 99161401. The next prime is 99161423. The reversal of 99161415 is 51416199.

It is not a de Polignac number, because 99161415 - 2⁵ = 99161383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99161415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 122017 + ... + 122826.

Almost surely, 2^99161415 is an apocalyptic number.

99161415 is a deficient number, since it is larger than the sum of its proper divisors (78595329).

99161415 is a wasteful number, since it uses less digits than its factorization.

99161415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244860 (or 244851 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 99161415 is about 9957.9824763855. The cubic root of 99161415 is about 462.8577840232.

The spelling of 99161415 in words is "ninety-nine million, one hundred sixty-one thousand, four hundred fifteen".