65146421071 has 8 divisors (see below), whose sum is σ = 67823674064. Its totient is φ = 62517407040.

The previous prime is 65146421069. The next prime is 65146421083. The reversal of 65146421071 is 17012464156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65146421071 - 2¹ = 65146421069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 65146421071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65146422071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12056985 + ... + 12062386.

It is an arithmetic number, because the mean of its divisors is an integer number (8477959258).

Almost surely, 2^65146421071 is an apocalyptic number.

65146421071 is a deficient number, since it is larger than the sum of its proper divisors (2677252993).

65146421071 is a wasteful number, since it uses less digits than its factorization.

65146421071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24119481.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 65146421071 in words is "sixty-five billion, one hundred forty-six million, four hundred twenty-one thousand, seventy-one".