51374347354066 has 16 divisors (see below), whose sum is σ = 84067443407520. Its totient is φ = 23351884526880.

The previous prime is 51374347354039. The next prime is 51374347354067. The reversal of 51374347354066 is 66045374347315.

It is a self number, because there is not a number n which added to its sum of digits gives 51374347354066.

It is not an unprimeable number, because it can be changed into a prime (51374347354067) 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, 1331950 + ... + 10223638.

It is an arithmetic number, because the mean of its divisors is an integer number (5254215212970).

Almost surely, 2^{51374347354066} is an apocalyptic number.

51374347354066 is a deficient number, since it is larger than the sum of its proper divisors (32693096053454).

51374347354066 is a wasteful number, since it uses less digits than its factorization.

51374347354066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154329.

The product of its (nonzero) digits is 76204800, while the sum is 58.

The spelling of 51374347354066 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-seven million, three hundred fifty-four thousand, sixty-six".