66969114 has 16 divisors (see below), whose sum is σ = 138259200. Its totient is φ = 21602880.

The previous prime is 66969101. The next prime is 66969121. The reversal of 66969114 is 41196966.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179839 + ... + 180210.

It is an arithmetic number, because the mean of its divisors is an integer number (8641200).

Almost surely, 2^66969114 is an apocalyptic number.

66969114 is an abundant number, since it is smaller than the sum of its proper divisors (71290086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66969114 is a wasteful number, since it uses less digits than its factorization.

66969114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360085.

The product of its digits is 69984, while the sum is 42.

The square root of 66969114 is about 8183.4658916623. The cubic root of 66969114 is about 406.0923900169.

It can be divided in two parts, 6696 and 9114, that multiplied together give a square (61027344 = 7812²).

The spelling of 66969114 in words is "sixty-six million, nine hundred sixty-nine thousand, one hundred fourteen".