116920890 has 96 divisors (see below), whose sum is σ = 313709760. Its totient is φ = 30200832.

The previous prime is 116920789. The next prime is 116920897. The reversal of 116920890 is 98029611.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116920897) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 514957 + ... + 515183.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 2^116920890 is an apocalyptic number.

116920890 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 116920890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156854880).

116920890 is an abundant number, since it is smaller than the sum of its proper divisors (196788870).

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

116920890 is a wasteful number, since it uses less digits than its factorization.

116920890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 116920890 is about 10812.9963469891. The cubic root of 116920890 is about 488.9870647839.

The spelling of 116920890 in words is "one hundred sixteen million, nine hundred twenty thousand, eight hundred ninety".