99616213 has 4 divisors (see below), whose sum is σ = 99698368. Its totient is φ = 99534060.

The previous prime is 99616211. The next prime is 99616217. The reversal of 99616213 is 31261699.

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: 31261699 = 7 ⋅4465957.

It is a cyclic number.

It is not a de Polignac number, because 99616213 - 2¹ = 99616211 is a prime.

It is a super-2 number, since 2×99616213² = 19846779784922738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99616211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39231 + ... + 41692.

It is an arithmetic number, because the mean of its divisors is an integer number (24924592).

Almost surely, 2^99616213 is an apocalyptic number.

It is an amenable number.

99616213 is a deficient number, since it is larger than the sum of its proper divisors (82155).

99616213 is a wasteful number, since it uses less digits than its factorization.

99616213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82154.

The product of its digits is 17496, while the sum is 37.

The square root of 99616213 is about 9980.7922030268. The cubic root of 99616213 is about 463.5643282851.

The spelling of 99616213 in words is "ninety-nine million, six hundred sixteen thousand, two hundred thirteen".