66091337448 has 16 divisors (see below), whose sum is σ = 165228343680. Its totient is φ = 22030445808.

The previous prime is 66091337441. The next prime is 66091337483. The reversal of 66091337448 is 84473319066.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66091337448.

It is not an unprimeable number, because it can be changed into a prime (66091337441) 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, 1376902840 + ... + 1376902887.

It is an arithmetic number, because the mean of its divisors is an integer number (10326771480).

Almost surely, 2^66091337448 is an apocalyptic number.

It is an amenable number.

66091337448 is an abundant number, since it is smaller than the sum of its proper divisors (99137006232).

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

66091337448 is a wasteful number, since it uses less digits than its factorization.

66091337448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753805736 (or 2753805732 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 66091337448 in words is "sixty-six billion, ninety-one million, three hundred thirty-seven thousand, four hundred forty-eight".