66004745351 has 8 divisors (see below), whose sum is σ = 69902496384. Its totient is φ = 62192659320.

The previous prime is 66004745347. The next prime is 66004745357. The reversal of 66004745351 is 15354740066.

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 66004745351 - 2² = 66004745347 is a prime.

It is a super-2 number, since 2×66004745351² (a number of 22 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 = 66004745299 and 66004745308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66004745357) 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, 21414665 + ... + 21417746.

It is an arithmetic number, because the mean of its divisors is an integer number (8737812048).

Almost surely, 2^66004745351 is an apocalyptic number.

66004745351 is a deficient number, since it is larger than the sum of its proper divisors (3897751033).

66004745351 is a wasteful number, since it uses less digits than its factorization.

66004745351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42832501.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 66004745351 in words is "sixty-six billion, four million, seven hundred forty-five thousand, three hundred fifty-one".