966616369 has 4 divisors (see below), whose sum is σ = 990192420. Its totient is φ = 943040320.

The previous prime is 966616367. The next prime is 966616373. The reversal of 966616369 is 963616669.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419758144 + 546858225 = 20488^2 + 23385^2 .

It is a cyclic number.

It is not a de Polignac number, because 966616369 - 2¹ = 966616367 is a prime.

It is a super-2 number, since 2×966616369² = 1868694409637488322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966616361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11787964 + ... + 11788045.

It is an arithmetic number, because the mean of its divisors is an integer number (247548105).

Almost surely, 2^966616369 is an apocalyptic number.

It is an amenable number.

966616369 is a deficient number, since it is larger than the sum of its proper divisors (23576051).

966616369 is a wasteful number, since it uses less digits than its factorization.

966616369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23576050.

The product of its digits is 1889568, while the sum is 52.

The square root of 966616369 is about 31090.4546283904. The cubic root of 966616369 is about 988.7459443544.

The spelling of 966616369 in words is "nine hundred sixty-six million, six hundred sixteen thousand, three hundred sixty-nine".