99670634560 has 224 divisors, whose sum is σ = 282067089408. Its totient is φ = 32825917440.

The previous prime is 99670634533. The next prime is 99670634563. The reversal of 99670634560 is 6543607699.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (99670634563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9508042 + ... + 9518518.

Almost surely, 2^99670634560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99670634560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141033544704).

99670634560 is an abundant number, since it is smaller than the sum of its proper divisors (182396454848).

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

99670634560 is a wasteful number, since it uses less digits than its factorization.

99670634560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669 (or 10659 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 99670634560 in words is "ninety-nine billion, six hundred seventy million, six hundred thirty-four thousand, five hundred sixty".