99610646 has 4 divisors (see below), whose sum is σ = 149415972. Its totient is φ = 49805322.

The previous prime is 99610619. The next prime is 99610663. The reversal of 99610646 is 64601699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64601699 = 1063 ⋅60773.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24902660 + ... + 24902663.

It is an arithmetic number, because the mean of its divisors is an integer number (37353993).

Almost surely, 2^99610646 is an apocalyptic number.

99610646 is a deficient number, since it is larger than the sum of its proper divisors (49805326).

99610646 is a wasteful number, since it uses less digits than its factorization.

99610646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805325.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 99610646 is about 9980.5133134524. The cubic root of 99610646 is about 463.5556927741. Note that the first 3 decimals are identical.

The spelling of 99610646 in words is "ninety-nine million, six hundred ten thousand, six hundred forty-six".