116989650 has 96 divisors (see below), whose sum is σ = 339412800. Its totient is φ = 29548800.

The previous prime is 116989637. The next prime is 116989651. The reversal of 116989650 is 56989611.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 116989596 and 116989605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116989651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23370 + ... + 27930.

It is an arithmetic number, because the mean of its divisors is an integer number (3535550).

Almost surely, 2^116989650 is an apocalyptic number.

116989650 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 116989650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169706400).

116989650 is an abundant number, since it is smaller than the sum of its proper divisors (222423150).

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

116989650 is a wasteful number, since it uses less digits than its factorization.

116989650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 116989650 is about 10816.1753868916. The cubic root of 116989650 is about 489.0829021250.

The spelling of 116989650 in words is "one hundred sixteen million, nine hundred eighty-nine thousand, six hundred fifty".