65097669 has 32 divisors (see below), whose sum is σ = 108451840. Its totient is φ = 33815232.

The previous prime is 65097661. The next prime is 65097673. The reversal of 65097669 is 96679056.

It is not a de Polignac number, because 65097669 - 2³ = 65097661 is a prime.

It is a super-2 number, since 2×65097669² = 8475413018467122, 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 (65097661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16512 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (3389120).

Almost surely, 2^65097669 is an apocalyptic number.

It is an amenable number.

65097669 is a deficient number, since it is larger than the sum of its proper divisors (43354171).

65097669 is a wasteful number, since it uses less digits than its factorization.

65097669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 65097669 is about 8068.3126488752. The cubic root of 65097669 is about 402.2738598269.

The spelling of 65097669 in words is "sixty-five million, ninety-seven thousand, six hundred sixty-nine".