965666097 has 32 divisors (see below), whose sum is σ = 1575874560. Its totient is φ = 579551760.

The previous prime is 965666087. The next prime is 965666111. The reversal of 965666097 is 790666569.

It is not a de Polignac number, because 965666097 - 2¹⁰ = 965665073 is a prime.

It is a super-2 number, since 2×965666097² = 1865022021790426818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (965666047) 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, 14808 + ... + 46374.

It is an arithmetic number, because the mean of its divisors is an integer number (49246080).

Almost surely, 2^965666097 is an apocalyptic number.

It is an amenable number.

965666097 is a deficient number, since it is larger than the sum of its proper divisors (610208463).

965666097 is a wasteful number, since it uses less digits than its factorization.

965666097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31690 (or 31684 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 965666097 is about 31075.1684951184. The cubic root of 965666097 is about 988.4218289896.

The spelling of 965666097 in words is "nine hundred sixty-five million, six hundred sixty-six thousand, ninety-seven".