51662256414 has 8 divisors (see below), whose sum is σ = 103324512840. Its totient is φ = 17220752136.

The previous prime is 51662256361. The next prime is 51662256419. The reversal of 51662256414 is 41465226615.

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

51662256414 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662256419) 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 3 ways as a sum of consecutive naturals, for example, 4305188029 + ... + 4305188040.

It is an arithmetic number, because the mean of its divisors is an integer number (12915564105).

Almost surely, 2^51662256414 is an apocalyptic number.

51662256414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51662256414 is a wasteful number, since it uses less digits than its factorization.

51662256414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610376074.

The product of its digits is 345600, while the sum is 42.

The spelling of 51662256414 in words is "fifty-one billion, six hundred sixty-two million, two hundred fifty-six thousand, four hundred fourteen".