116662261 has 8 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 107825760.

The previous prime is 116662243. The next prime is 116662297. The reversal of 116662261 is 162266611.

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

It is not a de Polignac number, because 116662261 - 2¹¹ = 116660213 is a prime.

It is a super-2 number, since 2×116662261² = 27220166283264242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116662201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74101 + ... + 75658.

It is an arithmetic number, because the mean of its divisors is an integer number (15724800).

Almost surely, 2^116662261 is an apocalyptic number.

It is an amenable number.

116662261 is a deficient number, since it is larger than the sum of its proper divisors (9136139).

116662261 is a wasteful number, since it uses less digits than its factorization.

116662261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149819.

The product of its digits is 5184, while the sum is 31.

The square root of 116662261 is about 10801.0305526834. The cubic root of 116662261 is about 488.6262521634.

The spelling of 116662261 in words is "one hundred sixteen million, six hundred sixty-two thousand, two hundred sixty-one".