116660420590 has 48 divisors (see below), whose sum is σ = 245068628112. Its totient is φ = 39867520896.

The previous prime is 116660420557. The next prime is 116660420593. The reversal of 116660420590 is 95024066611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116660420593) 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, 237327 + ... + 538186.

It is an arithmetic number, because the mean of its divisors is an integer number (5105596419).

Almost surely, 2^116660420590 is an apocalyptic number.

116660420590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116660420590 is an abundant number, since it is smaller than the sum of its proper divisors (128408207522).

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

116660420590 is a wasteful number, since it uses less digits than its factorization.

116660420590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775841 (or 775834 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 116660420590 in words is "one hundred sixteen billion, six hundred sixty million, four hundred twenty thousand, five hundred ninety".