116569906 has 8 divisors (see below), whose sum is σ = 179580780. Its totient is φ = 56709648.

The previous prime is 116569891. The next prime is 116569907. The reversal of 116569906 is 609965611.

It can be written as a sum of positive squares in 2 ways, for example, as 86769225 + 29800681 = 9315^2 + 5459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (116569907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787561 + ... + 787708.

Almost surely, 2^116569906 is an apocalyptic number.

116569906 is a deficient number, since it is larger than the sum of its proper divisors (63010874).

116569906 is a wasteful number, since it uses less digits than its factorization.

116569906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575308.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 116569906 is about 10796.7544197319. The cubic root of 116569906 is about 488.4972787475.

The spelling of 116569906 in words is "one hundred sixteen million, five hundred sixty-nine thousand, nine hundred six".