65166101 has 16 divisors (see below), whose sum is σ = 87497088. Its totient is φ = 46872000.

The previous prime is 65166077. The next prime is 65166131. The reversal of 65166101 is 10166156.

It is not a de Polignac number, because 65166101 - 2⁶ = 65166037 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65166131) 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, 31550 + ... + 33551.

It is an arithmetic number, because the mean of its divisors is an integer number (5468568).

Almost surely, 2^65166101 is an apocalyptic number.

It is an amenable number.

65166101 is a deficient number, since it is larger than the sum of its proper divisors (22330987).

65166101 is a wasteful number, since it uses less digits than its factorization.

65166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65132.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 65166101 is about 8072.5523225310. The cubic root of 65166101 is about 402.4147699634.

Subtracting from 65166101 its reverse (10166156), we obtain a palindrome (54999945).

The spelling of 65166101 in words is "sixty-five million, one hundred sixty-six thousand, one hundred one".