51662303761 has 16 divisors (see below), whose sum is σ = 54820560960. Its totient is φ = 48548298240.

The previous prime is 51662303741. The next prime is 51662303767. The reversal of 51662303761 is 16730326615.

It is a cyclic number.

It is not a de Polignac number, because 51662303761 - 2⁹ = 51662303249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51662303767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11091145 + ... + 11095801.

It is an arithmetic number, because the mean of its divisors is an integer number (3426285060).

Almost surely, 2^51662303761 is an apocalyptic number.

It is an amenable number.

51662303761 is a deficient number, since it is larger than the sum of its proper divisors (3158257199).

51662303761 is a wasteful number, since it uses less digits than its factorization.

51662303761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 51662303761 in words is "fifty-one billion, six hundred sixty-two million, three hundred three thousand, seven hundred sixty-one".