66575274054 has 16 divisors (see below), whose sum is σ = 133545657648. Its totient is φ = 22125906432.

The previous prime is 66575273993. The next prime is 66575274113. The reversal of 66575274054 is 45047257566.

It is a junction number, because it is equal to n+sod(n) for n = 66575273988 and 66575274006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16460707 + ... + 16464750.

It is an arithmetic number, because the mean of its divisors is an integer number (8346603603).

Almost surely, 2^66575274054 is an apocalyptic number.

66575274054 is an abundant number, since it is smaller than the sum of its proper divisors (66970383594).

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

66575274054 is a wasteful number, since it uses less digits than its factorization.

66575274054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32925799.

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 66575274054 in words is "sixty-six billion, five hundred seventy-five million, two hundred seventy-four thousand, fifty-four".