51667356063 has 16 divisors (see below), whose sum is σ = 72958967136. Its totient is φ = 32411258880.

The previous prime is 51667356047. The next prime is 51667356107. The reversal of 51667356063 is 36065376615.

It is a happy number.

It is not a de Polignac number, because 51667356063 - 2⁴ = 51667356047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51667356263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110895 + ... + 340047.

It is an arithmetic number, because the mean of its divisors is an integer number (4559935446).

Almost surely, 2^51667356063 is an apocalyptic number.

51667356063 is a deficient number, since it is larger than the sum of its proper divisors (21291611073).

51667356063 is a wasteful number, since it uses less digits than its factorization.

51667356063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233594.

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 51667356063 in words is "fifty-one billion, six hundred sixty-seven million, three hundred fifty-six thousand, sixty-three".