66496762349 has 16 divisors (see below), whose sum is σ = 67384234368. Its totient is φ = 65616462912.

The previous prime is 66496762327. The next prime is 66496762361. The reversal of 66496762349 is 94326769466.

It is a cyclic number.

It is not a de Polignac number, because 66496762349 - 2⁸ = 66496762093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66496762291 and 66496762300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66496764349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20009402 + ... + 20012724.

It is an arithmetic number, because the mean of its divisors is an integer number (4211514648).

Almost surely, 2^66496762349 is an apocalyptic number.

It is an amenable number.

66496762349 is a deficient number, since it is larger than the sum of its proper divisors (887472019).

66496762349 is a wasteful number, since it uses less digits than its factorization.

66496762349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324.

The product of its digits is 70543872, while the sum is 62.

The spelling of 66496762349 in words is "sixty-six billion, four hundred ninety-six million, seven hundred sixty-two thousand, three hundred forty-nine".