99651069 has 24 divisors (see below), whose sum is σ = 164773440. Its totient is φ = 56850048.

The previous prime is 99651061. The next prime is 99651089. The reversal of 99651069 is 96015699.

It is not a de Polignac number, because 99651069 - 2³ = 99651061 is a prime.

It is a super-2 number, since 2×99651069² = 19860671105685522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99651061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60742 + ... + 62360.

It is an arithmetic number, because the mean of its divisors is an integer number (6865560).

Almost surely, 2^99651069 is an apocalyptic number.

It is an amenable number.

99651069 is a deficient number, since it is larger than the sum of its proper divisors (65122371).

99651069 is a wasteful number, since it uses less digits than its factorization.

99651069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 99651069 is about 9982.5382042845. The cubic root of 99651069 is about 463.6183894783.

The spelling of 99651069 in words is "ninety-nine million, six hundred fifty-one thousand, sixty-nine".