99866354460 has 48 divisors (see below), whose sum is σ = 279671325696. Its totient is φ = 26626691392.

The previous prime is 99866354459. The next prime is 99866354479. The reversal of 99866354460 is 6445366899.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 99866354394 and 99866354403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244849 + ... + 509591.

It is an arithmetic number, because the mean of its divisors is an integer number (5826485952).

Almost surely, 2^99866354460 is an apocalyptic number.

It is an amenable number.

99866354460 is an abundant number, since it is smaller than the sum of its proper divisors (179804971236).

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

99866354460 is a wasteful number, since it uses less digits than its factorization.

99866354460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271042 (or 271040 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 99866354460 in words is "ninety-nine billion, eight hundred sixty-six million, three hundred fifty-four thousand, four hundred sixty".