51414216167678 has 64 divisors (see below), whose sum is σ = 99434539008000. Its totient is φ = 19389734792064.

The previous prime is 51414216167659. The next prime is 51414216167687. The reversal of 51414216167678 is 87676161241415.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61236398 + ... + 62070321.

It is an arithmetic number, because the mean of its divisors is an integer number (1553664672000).

Almost surely, 2^{51414216167678} is an apocalyptic number.

51414216167678 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

51414216167678 is a deficient number, since it is larger than the sum of its proper divisors (48020322840322).

51414216167678 is a wasteful number, since it uses less digits than its factorization.

51414216167678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123306849.

The product of its digits is 13547520, while the sum is 59.

The spelling of 51414216167678 in words is "fifty-one trillion, four hundred fourteen billion, two hundred sixteen million, one hundred sixty-seven thousand, six hundred seventy-eight".