64163254040032 has 96 divisors (see below), whose sum is σ = 152617816915200. Its totient is φ = 25939437677568.

The previous prime is 64163254040023. The next prime is 64163254040099. The reversal of 64163254040032 is 23004045236146.

It is a super-2 number, since 2×64163254040032² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31360182 + ... + 33343477.

It is an arithmetic number, because the mean of its divisors is an integer number (1589768926200).

Almost surely, 2^{64163254040032} is an apocalyptic number.

It is an amenable number.

64163254040032 is an abundant number, since it is smaller than the sum of its proper divisors (88454562875168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64163254040032 is a wasteful number, since it uses less digits than its factorization.

64163254040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64703928 (or 64703920 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 64163254040032 its reverse (23004045236146), we get a palindrome (87167299276178).

The spelling of 64163254040032 in words is "sixty-four trillion, one hundred sixty-three billion, two hundred fifty-four million, forty thousand, thirty-two".