116566550 has 24 divisors (see below), whose sum is σ = 221860056. Its totient is φ = 45541440.

The previous prime is 116566531. The next prime is 116566561. The reversal of 116566550 is 55665611.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116566550.

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, 24959 + ... + 29258.

It is an arithmetic number, because the mean of its divisors is an integer number (9244169).

Almost surely, 2^116566550 is an apocalyptic number.

116566550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116566550 is a deficient number, since it is larger than the sum of its proper divisors (105293506).

116566550 is a wasteful number, since it uses less digits than its factorization.

116566550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54272 (or 54267 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 116566550 is about 10796.5990015375. The cubic root of 116566550 is about 488.4925908234.

The spelling of 116566550 in words is "one hundred sixteen million, five hundred sixty-six thousand, five hundred fifty".