99650556 has 18 divisors (see below), whose sum is σ = 251894552. Its totient is φ = 33216840.

The previous prime is 99650533. The next prime is 99650557. The reversal of 99650556 is 65505699.

99650556 is a `hidden beast` number, since 9 + 96 + 5 + 0 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×99650556² = 19860466622218272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99650557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1384000 + ... + 1384071.

Almost surely, 2^99650556 is an apocalyptic number.

It is an amenable number.

99650556 is an abundant number, since it is smaller than the sum of its proper divisors (152243996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99650556 is a wasteful number, since it uses less digits than its factorization.

99650556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768081 (or 2768076 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 99650556 is about 9982.5125093836. The cubic root of 99650556 is about 463.6175939135.

The spelling of 99650556 in words is "ninety-nine million, six hundred fifty thousand, five hundred fifty-six".