99290430666 has 160 divisors (see below), whose sum is σ = 263460637440. Its totient is φ = 27346201344.

The previous prime is 99290430649. The next prime is 99290430677. The reversal of 99290430666 is 66603409299.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 23906046 + ... + 23910198.

It is an arithmetic number, because the mean of its divisors is an integer number (1646628984).

Almost surely, 2^99290430666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99290430666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131730318720).

99290430666 is an abundant number, since it is smaller than the sum of its proper divisors (164170206774).

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

99290430666 is a wasteful number, since it uses less digits than its factorization.

99290430666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 99290430666 in words is "ninety-nine billion, two hundred ninety million, four hundred thirty thousand, six hundred sixty-six".