116405644 has 18 divisors (see below), whose sum is σ = 208570740. Its totient is φ = 56845656.

The previous prime is 116405587. The next prime is 116405657. The reversal of 116405644 is 446504611.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 474 + ... + 15265.

Almost surely, 2^116405644 is an apocalyptic number.

It is an amenable number.

116405644 is a deficient number, since it is larger than the sum of its proper divisors (92165096).

116405644 is a wasteful number, since it uses less digits than its factorization.

116405644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829 (or 15784 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 116405644 is about 10789.1447297735. The cubic root of 116405644 is about 488.2677190423.

The spelling of 116405644 in words is "one hundred sixteen million, four hundred five thousand, six hundred forty-four".