99685450144 has 96 divisors (see below), whose sum is σ = 226146816000. Its totient is φ = 42370041600.

The previous prime is 99685450129. The next prime is 99685450213. The reversal of 99685450144 is 44105458699.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24317407 + ... + 24321505.

It is an arithmetic number, because the mean of its divisors is an integer number (2355696000).

Almost surely, 2^99685450144 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 99685450144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113073408000).

99685450144 is an abundant number, since it is smaller than the sum of its proper divisors (126461365856).

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

99685450144 is a wasteful number, since it uses less digits than its factorization.

99685450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 99685450144 in words is "ninety-nine billion, six hundred eighty-five million, four hundred fifty thousand, one hundred forty-four".