51263633066 has 16 divisors (see below), whose sum is σ = 77089585248. Its totient is φ = 25567136400.

The previous prime is 51263633041. The next prime is 51263633081. The reversal of 51263633066 is 66033636215.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684501 + ... + 5693511.

It is an arithmetic number, because the mean of its divisors is an integer number (4818099078).

Almost surely, 2^51263633066 is an apocalyptic number.

51263633066 is a deficient number, since it is larger than the sum of its proper divisors (25825952182).

51263633066 is a wasteful number, since it uses less digits than its factorization.

51263633066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15877.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 51263633066 in words is "fifty-one billion, two hundred sixty-three million, six hundred thirty-three thousand, sixty-six".