66151104512 has 30 divisors (see below), whose sum is σ = 132298204248. Its totient is φ = 33075544064.

The previous prime is 66151104479. The next prime is 66151104521. The reversal of 66151104512 is 21540115166.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002388 + ... + 2035155.

Almost surely, 2^66151104512 is an apocalyptic number.

It is an amenable number.

66151104512 is a deficient number, since it is larger than the sum of its proper divisors (66147099736).

66151104512 is an frugal number, since it uses more digits than its factorization.

66151104512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037571 (or 4037545 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 66151104512 its reverse (21540115166), we get a palindrome (87691219678).

The spelling of 66151104512 in words is "sixty-six billion, one hundred fifty-one million, one hundred four thousand, five hundred twelve".