65164155862541 has 32 divisors (see below), whose sum is σ = 71833818954240. Its totient is φ = 58837048754176.

The previous prime is 65164155862537. The next prime is 65164155862591. The reversal of 65164155862541 is 14526855146156.

It is not a de Polignac number, because 65164155862541 - 2² = 65164155862537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164155862591) 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, 199324685 + ... + 199651341.

It is an arithmetic number, because the mean of its divisors is an integer number (2244806842320).

Almost surely, 2^{65164155862541} is an apocalyptic number.

It is an amenable number.

65164155862541 is a deficient number, since it is larger than the sum of its proper divisors (6669663091699).

65164155862541 is a wasteful number, since it uses less digits than its factorization.

65164155862541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329293.

The product of its digits is 34560000, while the sum is 59.

The spelling of 65164155862541 in words is "sixty-five trillion, one hundred sixty-four billion, one hundred fifty-five million, eight hundred sixty-two thousand, five hundred forty-one".