99866461 has 4 divisors (see below), whose sum is σ = 99895392. Its totient is φ = 99837532.

The previous prime is 99866453. The next prime is 99866467. The reversal of 99866461 is 16466899.

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.

It is a cyclic number.

It is not a de Polignac number, because 99866461 - 2³ = 99866453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99866467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8455 + ... + 16468.

It is an arithmetic number, because the mean of its divisors is an integer number (24973848).

Almost surely, 2^99866461 is an apocalyptic number.

It is an amenable number.

99866461 is a deficient number, since it is larger than the sum of its proper divisors (28931).

99866461 is a wasteful number, since it uses less digits than its factorization.

99866461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28930.

The product of its digits is 559872, while the sum is 49.

The square root of 99866461 is about 9993.3208194273. The cubic root of 99866461 is about 463.9521802805.

The spelling of 99866461 in words is "ninety-nine million, eight hundred sixty-six thousand, four hundred sixty-one".