116571729 has 16 divisors (see below), whose sum is σ = 158026112. Its totient is φ = 76422528.

The previous prime is 116571727. The next prime is 116571731. The reversal of 116571729 is 927175611.

It is an interprime number because it is at equal distance from previous prime (116571727) and next prime (116571731).

It is not a de Polignac number, because 116571729 - 2¹ = 116571727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116571727) 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, 106107 + ... + 107199.

It is an arithmetic number, because the mean of its divisors is an integer number (9876632).

Almost surely, 2^116571729 is an apocalyptic number.

It is an amenable number.

116571729 is a deficient number, since it is larger than the sum of its proper divisors (41454383).

116571729 is a wasteful number, since it uses less digits than its factorization.

116571729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its digits is 26460, while the sum is 39.

The square root of 116571729 is about 10796.8388429206. The cubic root of 116571729 is about 488.4998252191.

The spelling of 116571729 in words is "one hundred sixteen million, five hundred seventy-one thousand, seven hundred twenty-nine".