66148487592 has 32 divisors (see below), whose sum is σ = 180404966880. Its totient is φ = 20044996160.

The previous prime is 66148487543. The next prime is 66148487609. The reversal of 66148487592 is 29578484166.

It is a happy number.

66148487592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 125280963 + ... + 125281490.

It is an arithmetic number, because the mean of its divisors is an integer number (5637655215).

Almost surely, 2^66148487592 is an apocalyptic number.

It is an amenable number.

66148487592 is an abundant number, since it is smaller than the sum of its proper divisors (114256479288).

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

66148487592 is a wasteful number, since it uses less digits than its factorization.

66148487592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250562473 (or 250562469 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 66148487592 in words is "sixty-six billion, one hundred forty-eight million, four hundred eighty-seven thousand, five hundred ninety-two".