99169257 has 8 divisors (see below), whose sum is σ = 144246240. Its totient is φ = 60102560.

The previous prime is 99169237. The next prime is 99169267. The reversal of 99169257 is 75296199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99169257 - 2⁶ = 99169193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99169237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502532 + ... + 1502597.

It is an arithmetic number, because the mean of its divisors is an integer number (18030780).

Almost surely, 2^99169257 is an apocalyptic number.

It is an amenable number.

99169257 is a deficient number, since it is larger than the sum of its proper divisors (45076983).

99169257 is a wasteful number, since it uses less digits than its factorization.

99169257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005143.

The product of its digits is 306180, while the sum is 48.

The square root of 99169257 is about 9958.3762230597. The cubic root of 99169257 is about 462.8699851234.

The spelling of 99169257 in words is "ninety-nine million, one hundred sixty-nine thousand, two hundred fifty-seven".