99351666 has 24 divisors (see below), whose sum is σ = 216194940. Its totient is φ = 32973696.

The previous prime is 99351661. The next prime is 99351691. The reversal of 99351666 is 66615399.

It can be written as a sum of positive squares in 2 ways, for example, as 78694641 + 20657025 = 8871^2 + 4545^2 .

It is not an unprimeable number, because it can be changed into a prime (99351661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7651 + ... + 16038.

Almost surely, 2^99351666 is an apocalyptic number.

99351666 is an abundant number, since it is smaller than the sum of its proper divisors (116843274).

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

99351666 is a wasteful number, since it uses less digits than its factorization.

99351666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23930 (or 23927 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 99351666 is about 9967.5305868605. The cubic root of 99351666 is about 463.1536077549.

The spelling of 99351666 in words is "ninety-nine million, three hundred fifty-one thousand, six hundred sixty-six".