64116002431 has 8 divisors (see below), whose sum is σ = 69879907440. Its totient is φ = 58470940992.

The previous prime is 64116002429. The next prime is 64116002437. The reversal of 64116002431 is 13420061146.

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 64116002431 - 2¹ = 64116002429 is a prime.

It is a super-2 number, since 2×64116002431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64116002431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64116002437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29709766 + ... + 29711923.

It is an arithmetic number, because the mean of its divisors is an integer number (8734988430).

Almost surely, 2^64116002431 is an apocalyptic number.

64116002431 is a deficient number, since it is larger than the sum of its proper divisors (5763905009).

64116002431 is a wasteful number, since it uses less digits than its factorization.

64116002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59421785.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 64116002431 its reverse (13420061146), we get a palindrome (77536063577).

The spelling of 64116002431 in words is "sixty-four billion, one hundred sixteen million, two thousand, four hundred thirty-one".