66747041472 has 56 divisors (see below), whose sum is σ = 176678175472. Its totient is φ = 22239360000.

The previous prime is 66747041443. The next prime is 66747041483. The reversal of 66747041472 is 27414074766.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375222 + ... + 523722.

Almost surely, 2^66747041472 is an apocalyptic number.

It is an amenable number.

66747041472 is an abundant number, since it is smaller than the sum of its proper divisors (109931134000).

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

66747041472 is a wasteful number, since it uses less digits than its factorization.

66747041472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150857 (or 150847 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 66747041472 in words is "sixty-six billion, seven hundred forty-seven million, forty-one thousand, four hundred seventy-two".