66617314046 has 4 divisors (see below), whose sum is σ = 99925971072. Its totient is φ = 33308657022.

The previous prime is 66617314021. The next prime is 66617314063. The reversal of 66617314046 is 64041371666.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64041371666 = 2 ⋅32020685833.

It is a junction number, because it is equal to n+sod(n) for n = 66617313988 and 66617314006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16654328510 + ... + 16654328513.

It is an arithmetic number, because the mean of its divisors is an integer number (24981492768).

Almost surely, 2^66617314046 is an apocalyptic number.

66617314046 is a deficient number, since it is larger than the sum of its proper divisors (33308657026).

66617314046 is a wasteful number, since it uses less digits than its factorization.

66617314046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33308657025.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 66617314046 in words is "sixty-six billion, six hundred seventeen million, three hundred fourteen thousand, forty-six".