64124236216 has 16 divisors (see below), whose sum is σ = 121029189840. Its totient is φ = 31849785600.

The previous prime is 64124236193. The next prime is 64124236217. The reversal of 64124236216 is 61263242146.

It is a super-2 number, since 2×64124236216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64124236217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26540281 + ... + 26542696.

It is an arithmetic number, because the mean of its divisors is an integer number (7564324365).

Almost surely, 2^64124236216 is an apocalyptic number.

It is an amenable number.

64124236216 is a deficient number, since it is larger than the sum of its proper divisors (56904953624).

64124236216 is a wasteful number, since it uses less digits than its factorization.

64124236216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53083134 (or 53083130 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The spelling of 64124236216 in words is "sixty-four billion, one hundred twenty-four million, two hundred thirty-six thousand, two hundred sixteen".