65041966 has 16 divisors (see below), whose sum is σ = 112693680. Its totient is φ = 27825280.

The previous prime is 65041961. The next prime is 65041969. The reversal of 65041966 is 66914056.

It is a super-2 number, since 2×65041966² = 8460914682290312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65041961) 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, 86581 + ... + 87328.

It is an arithmetic number, because the mean of its divisors is an integer number (7043355).

Almost surely, 2^65041966 is an apocalyptic number.

65041966 is a deficient number, since it is larger than the sum of its proper divisors (47651714).

65041966 is a wasteful number, since it uses less digits than its factorization.

65041966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173939.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 65041966 is about 8064.8599491870. The cubic root of 65041966 is about 402.1590873856.

The spelling of 65041966 in words is "sixty-five million, forty-one thousand, nine hundred sixty-six".