116021550 has 48 divisors (see below), whose sum is σ = 291231360. Its totient is φ = 30563040.

The previous prime is 116021539. The next prime is 116021551. The reversal of 116021550 is 55120611.

It is a super-2 number, since 2×116021550² = 26922000128805000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116021551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7791 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (6067320).

Almost surely, 2^116021550 is an apocalyptic number.

116021550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116021550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145615680).

116021550 is an abundant number, since it is smaller than the sum of its proper divisors (175209810).

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

116021550 is a wasteful number, since it uses less digits than its factorization.

116021550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9412 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 116021550 is about 10771.3300014436. The cubic root of 116021550 is about 487.7300951935.

The spelling of 116021550 in words is "one hundred sixteen million, twenty-one thousand, five hundred fifty".