1663264136 has 64 divisors (see below), whose sum is σ = 3314995200. Its totient is φ = 780772608.

The previous prime is 1663264117. The next prime is 1663264147. The reversal of 1663264136 is 6314623661.

It is a super-2 number, since 2×1663264136² = 5532895172207652992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1663264136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2546786 + ... + 2547438.

It is an arithmetic number, because the mean of its divisors is an integer number (51796800).

Almost surely, 2^1663264136 is an apocalyptic number.

It is an amenable number.

1663264136 is a deficient number, since it is larger than the sum of its proper divisors (1651731064).

1663264136 is a wasteful number, since it uses less digits than its factorization.

1663264136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 914 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 1663264136 is about 40783.1354361089. The cubic root of 1663264136 is about 1184.8237225844.

Adding to 1663264136 its reverse (6314623661), we get a palindrome (7977887797).

The spelling of 1663264136 in words is "one billion, six hundred sixty-three million, two hundred sixty-four thousand, one hundred thirty-six".