66692652359 has 4 divisors (see below), whose sum is σ = 66696631680. Its totient is φ = 66688673040.

The previous prime is 66692652347. The next prime is 66692652371. The reversal of 66692652359 is 95325629666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95325629666 = 2 ⋅47662814833.

It is an interprime number because it is at equal distance from previous prime (66692652347) and next prime (66692652371).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66692652359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66692652298 and 66692652307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66692652379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964414 + ... + 1998075.

It is an arithmetic number, because the mean of its divisors is an integer number (16674157920).

Almost surely, 2^66692652359 is an apocalyptic number.

66692652359 is a deficient number, since it is larger than the sum of its proper divisors (3979321).

66692652359 is a wasteful number, since it uses less digits than its factorization.

66692652359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979320.

The product of its digits is 31492800, while the sum is 59.

The spelling of 66692652359 in words is "sixty-six billion, six hundred ninety-two million, six hundred fifty-two thousand, three hundred fifty-nine".