66606030436763 has 8 divisors (see below), whose sum is σ = 66978750476880. Its totient is φ = 66233317278240.

The previous prime is 66606030436739. The next prime is 66606030436901. The reversal of 66606030436763 is 36763403060666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66606030436763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66606030436699 and 66606030436708.

It is not an unprimeable number, because it can be changed into a prime (66606030436733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18344381 + ... + 21673217.

It is an arithmetic number, because the mean of its divisors is an integer number (8372343809610).

Almost surely, 2^{66606030436763} is an apocalyptic number.

66606030436763 is a deficient number, since it is larger than the sum of its proper divisors (372720040117).

66606030436763 is a wasteful number, since it uses less digits than its factorization.

66606030436763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440797.

The product of its (nonzero) digits is 35271936, while the sum is 56.

The spelling of 66606030436763 in words is "sixty-six trillion, six hundred six billion, thirty million, four hundred thirty-six thousand, seven hundred sixty-three".