51666702003 has 24 divisors (see below), whose sum is σ = 85302217728. Its totient is φ = 29519968752.

The previous prime is 51666702001. The next prime is 51666702023. The reversal of 51666702003 is 30020766615.

51666702003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51666702003 - 2¹ = 51666702001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51666702001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472600 + ... + 571562.

It is an arithmetic number, because the mean of its divisors is an integer number (3554259072).

Almost surely, 2^51666702003 is an apocalyptic number.

51666702003 is a deficient number, since it is larger than the sum of its proper divisors (33635515725).

51666702003 is a wasteful number, since it uses less digits than its factorization.

51666702003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107263 (or 107260 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 51666702003 in words is "fifty-one billion, six hundred sixty-six million, seven hundred two thousand, three".