11616161365 has 8 divisors (see below), whose sum is σ = 13962903768. Its totient is φ = 9277255680.

The previous prime is 11616161357. The next prime is 11616161419. The reversal of 11616161365 is 56316161611.

It can be written as a sum of positive squares in 4 ways, for example, as 2937748401 + 8678412964 = 54201^2 + 93158^2 .

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

It is not a de Polignac number, because 11616161365 - 2³ = 11616161357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955916 + ... + 1961845.

It is an arithmetic number, because the mean of its divisors is an integer number (1745362971).

Almost surely, 2^11616161365 is an apocalyptic number.

It is an amenable number.

11616161365 is a deficient number, since it is larger than the sum of its proper divisors (2346742403).

11616161365 is an equidigital number, since it uses as much as digits as its factorization.

11616161365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918359.

The product of its digits is 19440, while the sum is 37.

The spelling of 11616161365 in words is "eleven billion, six hundred sixteen million, one hundred sixty-one thousand, three hundred sixty-five".