51663322336615 has 16 divisors (see below), whose sum is σ = 67654255163040. Its totient is φ = 37560953358720.

The previous prime is 51663322336501. The next prime is 51663322336621.

51663322336615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51663322336615 - 2¹¹ = 51663322334567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154481160 + ... + 154815229.

It is an arithmetic number, because the mean of its divisors is an integer number (4228390947690).

Almost surely, 2^{51663322336615} is an apocalyptic number.

51663322336615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51663322336615 is a deficient number, since it is larger than the sum of its proper divisors (15990932826425).

51663322336615 is a wasteful number, since it uses less digits than its factorization.

51663322336615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309299442.

The product of its digits is 10497600, while the sum is 52.

The spelling of 51663322336615 in words is "fifty-one trillion, six hundred sixty-three billion, three hundred twenty-two million, three hundred thirty-six thousand, six hundred fifteen".