116670261 has 4 divisors (see below), whose sum is σ = 155560352. Its totient is φ = 77780172.

The previous prime is 116670227. The next prime is 116670289. The reversal of 116670261 is 162076611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 116670261 - 2¹⁰ = 116669237 is a prime.

It is a super-2 number, since 2×116670261² = 27223899603616242, 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 (116670061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19445041 + ... + 19445046.

It is an arithmetic number, because the mean of its divisors is an integer number (38890088).

Almost surely, 2^116670261 is an apocalyptic number.

It is an amenable number.

116670261 is a deficient number, since it is larger than the sum of its proper divisors (38890091).

116670261 is an equidigital number, since it uses as much as digits as its factorization.

116670261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890090.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 116670261 is about 10801.4008813672. The cubic root of 116670261 is about 488.6374209300.

The spelling of 116670261 in words is "one hundred sixteen million, six hundred seventy thousand, two hundred sixty-one".