99164919 has 16 divisors (see below), whose sum is σ = 153239040. Its totient is φ = 55866720.

The previous prime is 99164917. The next prime is 99164969. The reversal of 99164919 is 91946199.

It is not a de Polignac number, because 99164919 - 2¹ = 99164917 is a prime.

It is a super-2 number, since 2×99164919² = 19667362320553122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99164917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31764 + ... + 34745.

It is an arithmetic number, because the mean of its divisors is an integer number (9577440).

Almost surely, 2^99164919 is an apocalyptic number.

99164919 is a deficient number, since it is larger than the sum of its proper divisors (54074121).

99164919 is a wasteful number, since it uses less digits than its factorization.

99164919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66590.

The product of its digits is 157464, while the sum is 48.

The square root of 99164919 is about 9958.1584140844. The cubic root of 99164919 is about 462.8632358567.

The spelling of 99164919 in words is "ninety-nine million, one hundred sixty-four thousand, nine hundred nineteen".