66763010461 has 16 divisors (see below), whose sum is σ = 77389793280. Its totient is φ = 56408834160.

The previous prime is 66763010449. The next prime is 66763010473. The reversal of 66763010461 is 16401036766.

It is an interprime number because it is at equal distance from previous prime (66763010449) and next prime (66763010473).

It is not a de Polignac number, because 66763010461 - 2²⁹ = 66226139549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66763010411) 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, 3771850 + ... + 3789508.

It is an arithmetic number, because the mean of its divisors is an integer number (4836862080).

Almost surely, 2^66763010461 is an apocalyptic number.

It is an amenable number.

66763010461 is a deficient number, since it is larger than the sum of its proper divisors (10626782819).

66763010461 is a wasteful number, since it uses less digits than its factorization.

66763010461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 66763010461 in words is "sixty-six billion, seven hundred sixty-three million, ten thousand, four hundred sixty-one".