66414675582 has 24 divisors (see below), whose sum is σ = 143920098504. Its totient is φ = 22134896784.

The previous prime is 66414675581. The next prime is 66414675631. The reversal of 66414675582 is 28557641466.

66414675582 is a `hidden beast` number, since 6 + 6 + 41 + 46 + 7 + 558 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66414675581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152808 + ... + 395195.

It is an arithmetic number, because the mean of its divisors is an integer number (5996670771).

Almost surely, 2^66414675582 is an apocalyptic number.

66414675582 is an abundant number, since it is smaller than the sum of its proper divisors (77505422922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66414675582 is a wasteful number, since it uses less digits than its factorization.

66414675582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554744 (or 554741 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 66414675582 in words is "sixty-six billion, four hundred fourteen million, six hundred seventy-five thousand, five hundred eighty-two".