66310504354451 has 8 divisors (see below), whose sum is σ = 80241282580320. Its totient is φ = 53494188386688.

The previous prime is 66310504354403. The next prime is 66310504354481. The reversal of 66310504354451 is 15445340501366.

66310504354451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-66310504354451 is a prime.

It is a super-2 number, since 2×66310504354451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66310504354396 and 66310504354405.

It is not an unprimeable number, because it can be changed into a prime (66310504354481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278615564396 + ... + 278615564633.

It is an arithmetic number, because the mean of its divisors is an integer number (10030160322540).

Almost surely, 2^{66310504354451} is an apocalyptic number.

66310504354451 is a deficient number, since it is larger than the sum of its proper divisors (13930778225869).

66310504354451 is a wasteful number, since it uses less digits than its factorization.

66310504354451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557231129053.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 66310504354451 in words is "sixty-six trillion, three hundred ten billion, five hundred four million, three hundred fifty-four thousand, four hundred fifty-one".