99718516 has 6 divisors (see below), whose sum is σ = 174507410. Its totient is φ = 49859256.

The previous prime is 99718513. The next prime is 99718561. The reversal of 99718516 is 61581799.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58064400 + 41654116 = 7620^2 + 6454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99718513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12464811 + ... + 12464818.

Almost surely, 2^99718516 is an apocalyptic number.

It is an amenable number.

99718516 is a deficient number, since it is larger than the sum of its proper divisors (74788894).

99718516 is a wasteful number, since it uses less digits than its factorization.

99718516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24929633 (or 24929631 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The square root of 99718516 is about 9985.9158818808. The cubic root of 99718516 is about 463.7229630927.

The spelling of 99718516 in words is "ninety-nine million, seven hundred eighteen thousand, five hundred sixteen".