99659461 has 4 divisors (see below), whose sum is σ = 108719424. Its totient is φ = 90599500.

The previous prime is 99659453. The next prime is 99659467. The reversal of 99659461 is 16495699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16495699 = 11 ⋅1499609.

It is a cyclic number.

It is not a de Polignac number, because 99659461 - 2³ = 99659453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99659467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529965 + ... + 4529986.

It is an arithmetic number, because the mean of its divisors is an integer number (27179856).

Almost surely, 2^99659461 is an apocalyptic number.

It is an amenable number.

99659461 is a deficient number, since it is larger than the sum of its proper divisors (9059963).

99659461 is a wasteful number, since it uses less digits than its factorization.

99659461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059962.

The product of its digits is 524880, while the sum is 49.

The square root of 99659461 is about 9982.9585294140. The cubic root of 99659461 is about 463.6314034759.

The spelling of 99659461 in words is "ninety-nine million, six hundred fifty-nine thousand, four hundred sixty-one".