99166719 has 8 divisors (see below), whose sum is σ = 139181440. Its totient is φ = 62631576.

The previous prime is 99166699. The next prime is 99166721. The reversal of 99166719 is 91766199.

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

It is not a de Polignac number, because 99166719 - 2⁵ = 99166687 is a prime.

It is a super-2 number, since 2×99166719² = 19668076314449922, 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 (99166789) 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, 869827 + ... + 869940.

It is an arithmetic number, because the mean of its divisors is an integer number (17397680).

Almost surely, 2^99166719 is an apocalyptic number.

99166719 is a deficient number, since it is larger than the sum of its proper divisors (40014721).

99166719 is a wasteful number, since it uses less digits than its factorization.

99166719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739789.

The product of its digits is 183708, while the sum is 48.

The square root of 99166719 is about 9958.2487918308. The cubic root of 99166719 is about 462.8660364062.

The spelling of 99166719 in words is "ninety-nine million, one hundred sixty-six thousand, seven hundred nineteen".