66562133345 has 8 divisors (see below), whose sum is σ = 79880965440. Its totient is φ = 53245436400.

The previous prime is 66562133317. The next prime is 66562133411. The reversal of 66562133345 is 54333126566.

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

It is a de Polignac number, because none of the positive numbers 2^k-66562133345 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66562133296 and 66562133305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464381 + ... + 590570.

It is an arithmetic number, because the mean of its divisors is an integer number (9985120680).

Almost surely, 2^66562133345 is an apocalyptic number.

It is an amenable number.

66562133345 is a deficient number, since it is larger than the sum of its proper divisors (13318832095).

66562133345 is a wasteful number, since it uses less digits than its factorization.

66562133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067575.

The product of its digits is 1166400, while the sum is 44.

The spelling of 66562133345 in words is "sixty-six billion, five hundred sixty-two million, one hundred thirty-three thousand, three hundred forty-five".