2016361693 has 4 divisors (see below), whose sum is σ = 2018200860. Its totient is φ = 2014522528.

The previous prime is 2016361667. The next prime is 2016361709. The reversal of 2016361693 is 3961636102.

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 1180747044 + 835614649 = 34362^2 + 28907^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016361693 - 2²⁵ = 1982807261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016361603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917938 + ... + 920131.

It is an arithmetic number, because the mean of its divisors is an integer number (504550215).

Almost surely, 2^2016361693 is an apocalyptic number.

It is an amenable number.

2016361693 is a deficient number, since it is larger than the sum of its proper divisors (1839167).

2016361693 is a wasteful number, since it uses less digits than its factorization.

2016361693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839166.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 2016361693 is about 44903.9162323288. The cubic root of 2016361693 is about 1263.3474633950.

Adding to 2016361693 its reverse (3961636102), we get a palindrome (5977997795).

The spelling of 2016361693 in words is "two billion, sixteen million, three hundred sixty-one thousand, six hundred ninety-three".