65189061 has 36 divisors (see below), whose sum is σ = 114315552. Its totient is φ = 35625744.

The previous prime is 65189023. The next prime is 65189081. The reversal of 65189061 is 16098156.

It is not a de Polignac number, because 65189061 - 2⁷ = 65188933 is a prime.

It is a super-2 number, since 2×65189061² = 8499227348123442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65189081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6930 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (3175432).

Almost surely, 2^65189061 is an apocalyptic number.

It is an amenable number.

65189061 is a deficient number, since it is larger than the sum of its proper divisors (49126491).

65189061 is a wasteful number, since it uses less digits than its factorization.

65189061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 65189061 is about 8073.9743001820. The cubic root of 65189061 is about 402.4620254028.

The spelling of 65189061 in words is "sixty-five million, one hundred eighty-nine thousand, sixty-one".