51266216246 has 16 divisors (see below), whose sum is σ = 88526441376. Its totient is φ = 21810860736.

The previous prime is 51266216237. The next prime is 51266216263. The reversal of 51266216246 is 64261266215.

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, 13362581 + ... + 13366416.

It is an arithmetic number, because the mean of its divisors is an integer number (5532902586).

Almost surely, 2^51266216246 is an apocalyptic number.

51266216246 is a deficient number, since it is larger than the sum of its proper divisors (37260225130).

51266216246 is a wasteful number, since it uses less digits than its factorization.

51266216246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26729143.

The product of its digits is 207360, while the sum is 41.

The spelling of 51266216246 in words is "fifty-one billion, two hundred sixty-six million, two hundred sixteen thousand, two hundred forty-six".