116431566 has 32 divisors (see below), whose sum is σ = 247587840. Its totient is φ = 36420384.

The previous prime is 116431559. The next prime is 116431571. The reversal of 116431566 is 665134611.

It is a super-2 number, since 2×116431566² = 27112619122424712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 15273.

It is an arithmetic number, because the mean of its divisors is an integer number (7737120).

Almost surely, 2^116431566 is an apocalyptic number.

116431566 is an abundant number, since it is smaller than the sum of its proper divisors (131156274).

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

116431566 is a wasteful number, since it uses less digits than its factorization.

116431566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000.

The product of its digits is 12960, while the sum is 33.

The square root of 116431566 is about 10790.3459629430. The cubic root of 116431566 is about 488.3039599438.

The spelling of 116431566 in words is "one hundred sixteen million, four hundred thirty-one thousand, five hundred sixty-six".