66062505 has 8 divisors (see below), whose sum is σ = 105700032. Its totient is φ = 35233328.

The previous prime is 66062497. The next prime is 66062531. The reversal of 66062505 is 50526066.

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

It is a cyclic number.

It is not a de Polignac number, because 66062505 - 2³ = 66062497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2202069 + ... + 2202098.

It is an arithmetic number, because the mean of its divisors is an integer number (13212504).

Almost surely, 2^66062505 is an apocalyptic number.

It is an amenable number.

66062505 is a deficient number, since it is larger than the sum of its proper divisors (39637527).

66062505 is a wasteful number, since it uses less digits than its factorization.

66062505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404175.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 66062505 is about 8127.8844110875. The cubic root of 66062505 is about 404.2515364102.

The spelling of 66062505 in words is "sixty-six million, sixty-two thousand, five hundred five".