66244766633334 has 48 divisors (see below), whose sum is σ = 148168531665024. Its totient is φ = 21368097820800.

The previous prime is 66244766633249. The next prime is 66244766633341. The reversal of 66244766633334 is 43333666744266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6844674 + ... + 13391754.

It is an arithmetic number, because the mean of its divisors is an integer number (3086844409688).

Almost surely, 2^{66244766633334} is an apocalyptic number.

66244766633334 is an abundant number, since it is smaller than the sum of its proper divisors (81923765031690).

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

66244766633334 is a wasteful number, since it uses less digits than its factorization.

66244766633334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565253 (or 6565250 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 63.

The spelling of 66244766633334 in words is "sixty-six trillion, two hundred forty-four billion, seven hundred sixty-six million, six hundred thirty-three thousand, three hundred thirty-four".