99258037666 has 48 divisors (see below), whose sum is σ = 163444278816. Its totient is φ = 45050487552.

The previous prime is 99258037661. The next prime is 99258037687. The reversal of 99258037666 is 66673085299.

It is not an unprimeable number, because it can be changed into a prime (99258037661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49952725 + ... + 49954711.

It is an arithmetic number, because the mean of its divisors is an integer number (3405089142).

Almost surely, 2^99258037666 is an apocalyptic number.

99258037666 is a deficient number, since it is larger than the sum of its proper divisors (64186241150).

99258037666 is a wasteful number, since it uses less digits than its factorization.

99258037666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811 (or 3782 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 99258037666 in words is "ninety-nine billion, two hundred fifty-eight million, thirty-seven thousand, six hundred sixty-six".