99651441 has 4 divisors (see below), whose sum is σ = 132868592. Its totient is φ = 66434292.

The previous prime is 99651427. The next prime is 99651449. The reversal of 99651441 is 14415699.

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 not a de Polignac number, because 99651441 - 2⁷ = 99651313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99651441.

It is not an unprimeable number, because it can be changed into a prime (99651449) 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, 16608571 + ... + 16608576.

It is an arithmetic number, because the mean of its divisors is an integer number (33217148).

Almost surely, 2^99651441 is an apocalyptic number.

It is an amenable number.

99651441 is a deficient number, since it is larger than the sum of its proper divisors (33217151).

99651441 is a wasteful number, since it uses less digits than its factorization.

99651441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33217150.

The product of its digits is 38880, while the sum is 39.

The square root of 99651441 is about 9982.5568368029. The cubic root of 99651441 is about 463.6189663774.

The spelling of 99651441 in words is "ninety-nine million, six hundred fifty-one thousand, four hundred forty-one".