61666226014 has 8 divisors (see below), whose sum is σ = 94467410208. Its totient is φ = 30177089280.

The previous prime is 61666225987. The next prime is 61666226051. The reversal of 61666226014 is 41062266616.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328011747 + ... + 328011934.

It is an arithmetic number, because the mean of its divisors is an integer number (11808426276).

Almost surely, 2^61666226014 is an apocalyptic number.

61666226014 is a deficient number, since it is larger than the sum of its proper divisors (32801184194).

61666226014 is a wasteful number, since it uses less digits than its factorization.

61666226014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656023730.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 61666226014 in words is "sixty-one billion, six hundred sixty-six million, two hundred twenty-six thousand, fourteen".