66060004 has 12 divisors (see below), whose sum is σ = 118065024. Its totient is φ = 32327144.

The previous prime is 66059969. The next prime is 66060031. The reversal of 66060004 is 40006066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175504 + ... + 175879.

It is an arithmetic number, because the mean of its divisors is an integer number (9838752).

Almost surely, 2^66060004 is an apocalyptic number.

It is an amenable number.

66060004 is a deficient number, since it is larger than the sum of its proper divisors (52005020).

66060004 is a wasteful number, since it uses less digits than its factorization.

66060004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351434 (or 351432 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 66060004 is about 8127.7305565576. The cubic root of 66060004 is about 404.2464349493.

The spelling of 66060004 in words is "sixty-six million, sixty thousand, four", and thus it is an eban number.