65066746374 has 96 divisors (see below), whose sum is σ = 165582144000. Its totient is φ = 18078307200.

The previous prime is 65066746357. The next prime is 65066746411. The reversal of 65066746374 is 47364766056.

65066746374 is a `hidden beast` number, since 6 + 50 + 6 + 67 + 463 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 65066746374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1586377 + ... + 1626875.

It is an arithmetic number, because the mean of its divisors is an integer number (1724814000).

Almost surely, 2^65066746374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65066746374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82791072000).

65066746374 is an abundant number, since it is smaller than the sum of its proper divisors (100515397626).

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

65066746374 is a wasteful number, since it uses less digits than its factorization.

65066746374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40866 (or 40863 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 65066746374 in words is "sixty-five billion, sixty-six million, seven hundred forty-six thousand, three hundred seventy-four".