66305420416054 has 8 divisors (see below), whose sum is σ = 104692769078040. Its totient is φ = 31407830723376.

The previous prime is 66305420416043. The next prime is 66305420416069. The reversal of 66305420416054 is 45061402450366.

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

It is a junction number, because it is equal to n+sod(n) for n = 66305420415995 and 66305420416013.

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, 872439742279 + ... + 872439742354.

It is an arithmetic number, because the mean of its divisors is an integer number (13086596134755).

Almost surely, 2^{66305420416054} is an apocalyptic number.

66305420416054 is a deficient number, since it is larger than the sum of its proper divisors (38387348661986).

66305420416054 is a wasteful number, since it uses less digits than its factorization.

66305420416054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744879484654.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 66305420416054 in words is "sixty-six trillion, three hundred five billion, four hundred twenty million, four hundred sixteen thousand, fifty-four".