116856465 has 16 divisors (see below), whose sum is σ = 203967936. Its totient is φ = 56657600.

The previous prime is 116856461. The next prime is 116856497. The reversal of 116856465 is 564658611.

It is not a de Polignac number, because 116856465 - 2² = 116856461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116856461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353946 + ... + 354275.

It is an arithmetic number, because the mean of its divisors is an integer number (12747996).

Almost surely, 2^116856465 is an apocalyptic number.

116856465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116856465 is a deficient number, since it is larger than the sum of its proper divisors (87111471).

116856465 is a wasteful number, since it uses less digits than its factorization.

116856465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708240.

The product of its digits is 172800, while the sum is 42.

The square root of 116856465 is about 10810.0168825030. The cubic root of 116856465 is about 488.8972354425.

The spelling of 116856465 in words is "one hundred sixteen million, eight hundred fifty-six thousand, four hundred sixty-five".