66480192 has 84 divisors (see below), whose sum is σ = 191806576. Its totient is φ = 22014720.

The previous prime is 66480173. The next prime is 66480223. The reversal of 66480192 is 29108466.

66480192 is a `hidden beast` number, since 6 + 648 + 0 + 1 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121263 + ... + 121809.

Almost surely, 2^66480192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66480192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95903288).

66480192 is an abundant number, since it is smaller than the sum of its proper divisors (125326384).

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

66480192 is a wasteful number, since it uses less digits than its factorization.

66480192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 66480192 is about 8153.5386182933. The cubic root of 66480192 is about 405.1017211342.

The spelling of 66480192 in words is "sixty-six million, four hundred eighty thousand, one hundred ninety-two".