116971840 has 28 divisors (see below), whose sum is σ = 278539956. Its totient is φ = 46788608.

The previous prime is 116971801. The next prime is 116971843. The reversal of 116971840 is 48179611.

It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 104693824 = 3504^2 + 10232^2 .

It is a super-2 number, since 2×116971840² = 27364822705971200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116971840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116971843) 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 3 ways as a sum of consecutive naturals, for example, 182449 + ... + 183088.

Almost surely, 2^116971840 is an apocalyptic number.

116971840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116971840 is an abundant number, since it is smaller than the sum of its proper divisors (161568116).

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

116971840 is an equidigital number, since it uses as much as digits as its factorization.

116971840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365554 (or 365544 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 116971840 is about 10815.3520515978. The cubic root of 116971840 is about 489.0580822412.

The spelling of 116971840 in words is "one hundred sixteen million, nine hundred seventy-one thousand, eight hundred forty".