99681148 has 24 divisors (see below), whose sum is σ = 200253312. Its totient is φ = 42529584.

The previous prime is 99681139. The next prime is 99681187. The reversal of 99681148 is 84118699.

It is a junction number, because it is equal to n+sod(n) for n = 99681098 and 99681107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 14197.

It is an arithmetic number, because the mean of its divisors is an integer number (8343888).

Almost surely, 2^99681148 is an apocalyptic number.

It is an amenable number.

99681148 is an abundant number, since it is smaller than the sum of its proper divisors (100572164).

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

99681148 is a wasteful number, since it uses less digits than its factorization.

99681148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921 (or 15919 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 99681148 is about 9984.0446713744. The cubic root of 99681148 is about 463.6650314756.

The spelling of 99681148 in words is "ninety-nine million, six hundred eighty-one thousand, one hundred forty-eight".