66076670 has 16 divisors (see below), whose sum is σ = 129750768. Its totient is φ = 24027840.

The previous prime is 66076667. The next prime is 66076687. The reversal of 66076670 is 7667066.

It is a super-2 number, since 2×66076670² = 8732252636577800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300239 + ... + 300458.

It is an arithmetic number, because the mean of its divisors is an integer number (8109423).

Almost surely, 2^66076670 is an apocalyptic number.

66076670 is a deficient number, since it is larger than the sum of its proper divisors (63674098).

66076670 is a wasteful number, since it uses less digits than its factorization.

66076670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600715.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 66076670 is about 8128.7557473453. The cubic root of 66076670 is about 404.2804273006.

The spelling of 66076670 in words is "sixty-six million, seventy-six thousand, six hundred seventy".