66450485106 has 32 divisors (see below), whose sum is σ = 147891902400. Its totient is φ = 22116538080.

The previous prime is 66450485093. The next prime is 66450485119. The reversal of 66450485106 is 60158405466.

66450485106 is a `hidden beast` number, since 6 + 64 + 5 + 0 + 485 + 106 = 666.

It is an interprime number because it is at equal distance from previous prime (66450485093) and next prime (66450485119).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 898075 + ... + 969246.

It is an arithmetic number, because the mean of its divisors is an integer number (4621621950).

Almost surely, 2^66450485106 is an apocalyptic number.

66450485106 is an abundant number, since it is smaller than the sum of its proper divisors (81441417294).

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

66450485106 is a wasteful number, since it uses less digits than its factorization.

66450485106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867991 (or 1867985 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 66450485106 in words is "sixty-six billion, four hundred fifty million, four hundred eighty-five thousand, one hundred six".