66025606 has 8 divisors (see below), whose sum is σ = 99263304. Its totient is φ = 32937840.

The previous prime is 66025591. The next prime is 66025657. The reversal of 66025606 is 60652066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 36375 + ... + 38146.

It is an arithmetic number, because the mean of its divisors is an integer number (12407913).

Almost surely, 2^66025606 is an apocalyptic number.

66025606 is a deficient number, since it is larger than the sum of its proper divisors (33237698).

66025606 is a wasteful number, since it uses less digits than its factorization.

66025606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74966.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 66025606 is about 8125.6141921703. The cubic root of 66025606 is about 404.1762579271.

The spelling of 66025606 in words is "sixty-six million, twenty-five thousand, six hundred six".