43149116670 has 256 divisors, whose sum is σ = 117377289216. Its totient is φ = 10147737600.

The previous prime is 43149116623. The next prime is 43149116683. The reversal of 43149116670 is 7661194134.

It is a Curzon number.

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 127 ways as a sum of consecutive naturals, for example, 329382505 + ... + 329382635.

It is an arithmetic number, because the mean of its divisors is an integer number (458505036).

Almost surely, 2^43149116670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43149116670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58688644608).

43149116670 is an abundant number, since it is smaller than the sum of its proper divisors (74228172546).

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

43149116670 is a wasteful number, since it uses less digits than its factorization.

43149116670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 43149116670 in words is "forty-three billion, one hundred forty-nine million, one hundred sixteen thousand, six hundred seventy".