65146552871 has 4 divisors (see below), whose sum is σ = 65723071152. Its totient is φ = 64570034592.

The previous prime is 65146552819. The next prime is 65146552903. The reversal of 65146552871 is 17825564156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65146552871 - 2²⁶ = 65079444007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65146555871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288258971 + ... + 288259196.

It is an arithmetic number, because the mean of its divisors is an integer number (16430767788).

Almost surely, 2^65146552871 is an apocalyptic number.

65146552871 is a deficient number, since it is larger than the sum of its proper divisors (576518281).

65146552871 is a wasteful number, since it uses less digits than its factorization.

65146552871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576518280.

The product of its digits is 2016000, while the sum is 50.

The spelling of 65146552871 in words is "sixty-five billion, one hundred forty-six million, five hundred fifty-two thousand, eight hundred seventy-one".