66160070 has 32 divisors (see below), whose sum is σ = 123169248. Its totient is φ = 25567488.

The previous prime is 66160069. The next prime is 66160079. The reversal of 66160070 is 7006166.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66160079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59762 + ... + 60858.

It is an arithmetic number, because the mean of its divisors is an integer number (3849039).

Almost surely, 2^66160070 is an apocalyptic number.

66160070 is a deficient number, since it is larger than the sum of its proper divisors (57009178).

66160070 is a wasteful number, since it uses less digits than its factorization.

66160070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 66160070 is about 8133.8840660536. The cubic root of 66160070 is about 404.4504460181.

The spelling of 66160070 in words is "sixty-six million, one hundred sixty thousand, seventy".