51666748719300 has 2592 divisors, whose sum is σ = 219709851169536. Its totient is φ = 10405557043200.

The previous prime is 51666748719281. The next prime is 51666748719307. The reversal of 51666748719300 is 391784766615.

It is not an unprimeable number, because it can be changed into a prime (51666748719307) by changing a digit.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 14945543172 + ... + 14945546628.

Almost surely, 2^{51666748719300} is an apocalyptic number.

51666748719300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51666748719300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109854925584768).

51666748719300 is an abundant number, since it is smaller than the sum of its proper divisors (168043102450236).

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

51666748719300 is a wasteful number, since it uses less digits than its factorization.

51666748719300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 51666748719300 in words is "fifty-one trillion, six hundred sixty-six billion, seven hundred forty-eight million, seven hundred nineteen thousand, three hundred".