116661519 has 64 divisors (see below), whose sum is σ = 196425600. Its totient is φ = 67931136.

The previous prime is 116661491. The next prime is 116661551. The reversal of 116661519 is 915166611.

It is not a de Polignac number, because 116661519 - 2¹¹ = 116659471 is a prime.

It is a super-2 number, since 2×116661519² = 27219820030774722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 742989 + ... + 743145.

It is an arithmetic number, because the mean of its divisors is an integer number (3069150).

Almost surely, 2^116661519 is an apocalyptic number.

116661519 is a deficient number, since it is larger than the sum of its proper divisors (79764081).

116661519 is a wasteful number, since it uses less digits than its factorization.

116661519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 116661519 is about 10800.9962040545. The cubic root of 116661519 is about 488.6252162345.

The spelling of 116661519 in words is "one hundred sixteen million, six hundred sixty-one thousand, five hundred nineteen".