51466660214 has 8 divisors (see below), whose sum is σ = 77604179328. Its totient is φ = 25598600440.

The previous prime is 51466660207. The next prime is 51466660237. The reversal of 51466660214 is 41206666415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51466660214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67364357 + ... + 67365120.

It is an arithmetic number, because the mean of its divisors is an integer number (9700522416).

Almost surely, 2^51466660214 is an apocalyptic number.

51466660214 is a deficient number, since it is larger than the sum of its proper divisors (26137519114).

51466660214 is a wasteful number, since it uses less digits than its factorization.

51466660214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134729670.

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

The spelling of 51466660214 in words is "fifty-one billion, four hundred sixty-six million, six hundred sixty thousand, two hundred fourteen".