115667424 has 72 divisors (see below), whose sum is σ = 330587712. Its totient is φ = 38361600.

The previous prime is 115667411. The next prime is 115667441. The reversal of 115667424 is 424766511.

115667424 is a `hidden beast` number, since 1 + 1 + 566 + 74 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63324 + ... + 65124.

It is an arithmetic number, because the mean of its divisors is an integer number (4591496).

Almost surely, 2^115667424 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 115667424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165293856).

115667424 is an abundant number, since it is smaller than the sum of its proper divisors (214920288).

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

115667424 is a wasteful number, since it uses less digits than its factorization.

115667424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2029 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 115667424 is about 10754.8790788181. The cubic root of 115667424 is about 487.2333658303.

The spelling of 115667424 in words is "one hundred fifteen million, six hundred sixty-seven thousand, four hundred twenty-four".