66026805374 has 8 divisors (see below), whose sum is σ = 99046375128. Its totient is φ = 33011347000.

The previous prime is 66026805371. The next prime is 66026805389. The reversal of 66026805374 is 47350862066.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66026805371) 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, 987377 + ... + 1052124.

It is an arithmetic number, because the mean of its divisors is an integer number (12380796891).

Almost surely, 2^66026805374 is an apocalyptic number.

66026805374 is a deficient number, since it is larger than the sum of its proper divisors (33019569754).

66026805374 is a wasteful number, since it uses less digits than its factorization.

66026805374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055690.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 66026805374 in words is "sixty-six billion, twenty-six million, eight hundred five thousand, three hundred seventy-four".