116217520 has 40 divisors (see below), whose sum is σ = 270982656. Its totient is φ = 46353408.

The previous prime is 116217487. The next prime is 116217527. The reversal of 116217520 is 25712611.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (116217527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28744 + ... + 32536.

Almost surely, 2^116217520 is an apocalyptic number.

116217520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116217520 is an abundant number, since it is smaller than the sum of its proper divisors (154765136).

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

116217520 is a wasteful number, since it uses less digits than its factorization.

116217520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4183 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 116217520 is about 10780.4229972669. The cubic root of 116217520 is about 488.0045462266.

The spelling of 116217520 in words is "one hundred sixteen million, two hundred seventeen thousand, five hundred twenty".