66456309522 has 8 divisors (see below), whose sum is σ = 132912619056. Its totient is φ = 22152103172.

The previous prime is 66456309473. The next prime is 66456309527. The reversal of 66456309522 is 22590365466.

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

66456309522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66456309527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5538025788 + ... + 5538025799.

It is an arithmetic number, because the mean of its divisors is an integer number (16614077382).

Almost surely, 2^66456309522 is an apocalyptic number.

66456309522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66456309522 is a wasteful number, since it uses less digits than its factorization.

66456309522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076051592.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 66456309522 in words is "sixty-six billion, four hundred fifty-six million, three hundred nine thousand, five hundred twenty-two".