66623027214 has 32 divisors (see below), whose sum is σ = 140100452640. Its totient is φ = 21090384000.

The previous prime is 66623027213. The next prime is 66623027249. The reversal of 66623027214 is 41272032666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66623027213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3127837 + ... + 3149064.

It is an arithmetic number, because the mean of its divisors is an integer number (4378139145).

Almost surely, 2^66623027214 is an apocalyptic number.

66623027214 is an abundant number, since it is smaller than the sum of its proper divisors (73477425426).

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

66623027214 is a wasteful number, since it uses less digits than its factorization.

66623027214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276996.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 66623027214 in words is "sixty-six billion, six hundred twenty-three million, twenty-seven thousand, two hundred fourteen".