116540216 has 32 divisors (see below), whose sum is σ = 239772960. Its totient is φ = 52770432.

The previous prime is 116540197. The next prime is 116540231. The reversal of 116540216 is 612045611.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5060 + ... + 16083.

It is an arithmetic number, because the mean of its divisors is an integer number (7492905).

Almost surely, 2^116540216 is an apocalyptic number.

It is an amenable number.

116540216 is an abundant number, since it is smaller than the sum of its proper divisors (123232744).

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

116540216 is a wasteful number, since it uses less digits than its factorization.

116540216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21215 (or 21211 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 116540216 is about 10795.3793819393. The cubic root of 116540216 is about 488.4558023030.

Adding to 116540216 its reverse (612045611), we get a palindrome (728585827).

The spelling of 116540216 in words is "one hundred sixteen million, five hundred forty thousand, two hundred sixteen".