66285353451 has 8 divisors (see below), whose sum is σ = 88385086864. Its totient is φ = 44187927840.

The previous prime is 66285353437. The next prime is 66285353467. The reversal of 66285353451 is 15435358266.

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

It is not a de Polignac number, because 66285353451 - 2⁵ = 66285353419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66285353451.

It is not an unprimeable number, because it can be changed into a prime (66285353471) 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, 508780 + ... + 625641.

It is an arithmetic number, because the mean of its divisors is an integer number (11048135858).

Almost surely, 2^66285353451 is an apocalyptic number.

66285353451 is a deficient number, since it is larger than the sum of its proper divisors (22099733413).

66285353451 is a wasteful number, since it uses less digits than its factorization.

66285353451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153901.

The product of its digits is 2592000, while the sum is 48.

The spelling of 66285353451 in words is "sixty-six billion, two hundred eighty-five million, three hundred fifty-three thousand, four hundred fifty-one".