99161436 has 72 divisors (see below), whose sum is σ = 262646272. Its totient is φ = 29066400.

The previous prime is 99161423. The next prime is 99161453. The reversal of 99161436 is 63416199.

It is a junction number, because it is equal to n+sod(n) for n = 99161394 and 99161403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43911 + ... + 46113.

Almost surely, 2^99161436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99161436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131323136).

99161436 is an abundant number, since it is smaller than the sum of its proper divisors (163484836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99161436 is a wasteful number, since it uses less digits than its factorization.

99161436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2250 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 99161436 is about 9957.9835308159. The cubic root of 99161436 is about 462.8578166973.

The spelling of 99161436 in words is "ninety-nine million, one hundred sixty-one thousand, four hundred thirty-six".