51201660703 has 8 divisors (see below), whose sum is σ = 55270159200. Its totient is φ = 47286690528.

The previous prime is 51201660691. The next prime is 51201660733. The reversal of 51201660703 is 30706610215.

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

It is a cyclic number.

It is not a de Polignac number, because 51201660703 - 2¹³ = 51201652511 is a prime.

It is a super-2 number, since 2×51201660703² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51201660733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38381388 + ... + 38382721.

It is an arithmetic number, because the mean of its divisors is an integer number (6908769900).

Almost surely, 2^51201660703 is an apocalyptic number.

51201660703 is a deficient number, since it is larger than the sum of its proper divisors (4068498497).

51201660703 is a wasteful number, since it uses less digits than its factorization.

51201660703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76764161.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 51201660703 in words is "fifty-one billion, two hundred one million, six hundred sixty thousand, seven hundred three".