99158541 has 16 divisors (see below), whose sum is σ = 136848768. Its totient is φ = 63820800.

The previous prime is 99158539. The next prime is 99158599. The reversal of 99158541 is 14585199.

It is not a de Polignac number, because 99158541 - 2¹ = 99158539 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99158493 and 99158502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99158141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7776 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (8553048).

Almost surely, 2^99158541 is an apocalyptic number.

It is an amenable number.

99158541 is a deficient number, since it is larger than the sum of its proper divisors (37690227).

99158541 is a wasteful number, since it uses less digits than its factorization.

99158541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452.

The product of its digits is 64800, while the sum is 42.

The square root of 99158541 is about 9957.8381690003. The cubic root of 99158541 is about 462.8533123036.

It can be divided in two parts, 99158 and 541, that added together give a palindrome (99699).

The spelling of 99158541 in words is "ninety-nine million, one hundred fifty-eight thousand, five hundred forty-one".