66841070 has 16 divisors (see below), whose sum is σ = 123249168. Its totient is φ = 26084160.

The previous prime is 66841043. The next prime is 66841079. The reversal of 66841070 is 7014866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66841079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81104 + ... + 81923.

It is an arithmetic number, because the mean of its divisors is an integer number (7703073).

Almost surely, 2^66841070 is an apocalyptic number.

66841070 is a deficient number, since it is larger than the sum of its proper divisors (56408098).

66841070 is a wasteful number, since it uses less digits than its factorization.

66841070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163075.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 66841070 is about 8175.6388129613. The cubic root of 66841070 is about 405.8334105872.

The spelling of 66841070 in words is "sixty-six million, eight hundred forty-one thousand, seventy".