116811390 has 32 divisors (see below), whose sum is σ = 282496896. Its totient is φ = 30910880.

The previous prime is 116811389. The next prime is 116811397. The reversal of 116811390 is 93118611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116811397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10932 + ... + 18791.

It is an arithmetic number, because the mean of its divisors is an integer number (8828028).

Almost surely, 2^116811390 is an apocalyptic number.

116811390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116811390 is an abundant number, since it is smaller than the sum of its proper divisors (165685506).

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

116811390 is a wasteful number, since it uses less digits than its factorization.

116811390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29864.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 116811390 is about 10807.9318095554. The cubic root of 116811390 is about 488.8343666432.

The spelling of 116811390 in words is "one hundred sixteen million, eight hundred eleven thousand, three hundred ninety".