66441650336254 has 8 divisors (see below), whose sum is σ = 104907868952040. Its totient is φ = 31472360685576.

The previous prime is 66441650336203. The next prime is 66441650336267. The reversal of 66441650336254 is 45263305614466.

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 = 66441650336195 and 66441650336204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874232241229 + ... + 874232241304.

It is an arithmetic number, because the mean of its divisors is an integer number (13113483619005).

Almost surely, 2^{66441650336254} is an apocalyptic number.

66441650336254 is a deficient number, since it is larger than the sum of its proper divisors (38466218615786).

66441650336254 is a wasteful number, since it uses less digits than its factorization.

66441650336254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748464482554.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 66441650336254 in words is "sixty-six trillion, four hundred forty-one billion, six hundred fifty million, three hundred thirty-six thousand, two hundred fifty-four".