65366091 has 12 divisors (see below), whose sum is σ = 107906032. Its totient is φ = 37352016.

The previous prime is 65366051. The next prime is 65366107. The reversal of 65366091 is 19066356.

It is not a de Polignac number, because 65366091 - 2⁶ = 65366027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65366051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518716 + ... + 518841.

Almost surely, 2^65366091 is an apocalyptic number.

65366091 is a deficient number, since it is larger than the sum of its proper divisors (42539941).

65366091 is a wasteful number, since it uses less digits than its factorization.

65366091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037570 (or 1037567 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 65366091 is about 8084.9298698257. The cubic root of 65366091 is about 402.8260100647.

The spelling of 65366091 in words is "sixty-five million, three hundred sixty-six thousand, ninety-one".