1363161826 has 16 divisors (see below), whose sum is σ = 2207431800. Its totient is φ = 627608448.

The previous prime is 1363161799. The next prime is 1363161883. The reversal of 1363161826 is 6281613631.

It can be written as a sum of positive squares in 4 ways, for example, as 1361536201 + 1625625 = 36899^2 + 1275^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53461 + ... + 74728.

Almost surely, 2^1363161826 is an apocalyptic number.

1363161826 is a deficient number, since it is larger than the sum of its proper divisors (844269974).

1363161826 is a wasteful number, since it uses less digits than its factorization.

1363161826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128613.

The product of its digits is 31104, while the sum is 37.

The square root of 1363161826 is about 36921.0214647428. The cubic root of 1363161826 is about 1108.7895866105.

It can be divided in two parts, 13631 and 61826, that added together give a palindrome (75457).

The spelling of 1363161826 in words is "one billion, three hundred sixty-three million, one hundred sixty-one thousand, eight hundred twenty-six".