65365671 has 16 divisors (see below), whose sum is σ = 100009728. Its totient is φ = 37200000.

The previous prime is 65365667. The next prime is 65365711. The reversal of 65365671 is 17656356.

It is not a de Polignac number, because 65365671 - 2² = 65365667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65365631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930 + ... + 11471.

It is an arithmetic number, because the mean of its divisors is an integer number (6250608).

Almost surely, 2^65365671 is an apocalyptic number.

65365671 is a deficient number, since it is larger than the sum of its proper divisors (34644057).

65365671 is a wasteful number, since it uses less digits than its factorization.

65365671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12662.

The product of its digits is 113400, while the sum is 39.

The square root of 65365671 is about 8084.9038955327. The cubic root of 65365671 is about 402.8251472969.

The spelling of 65365671 in words is "sixty-five million, three hundred sixty-five thousand, six hundred seventy-one".