64537180959068 has 12 divisors (see below), whose sum is σ = 112962155520480. Its totient is φ = 32262279381792.

The previous prime is 64537180959019. The next prime is 64537180959103. The reversal of 64537180959068 is 86095908173546.

It is a happy number.

It is a super-2 number, since 2×64537180959068² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64537180958992 and 64537180959010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577751428 + ... + 1577792331.

It is an arithmetic number, because the mean of its divisors is an integer number (9413512960040).

Almost surely, 2^{64537180959068} is an apocalyptic number.

It is an amenable number.

64537180959068 is a deficient number, since it is larger than the sum of its proper divisors (48424974561412).

64537180959068 is a wasteful number, since it uses less digits than its factorization.

64537180959068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155548876 (or 3155548874 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 64537180959068 in words is "sixty-four trillion, five hundred thirty-seven billion, one hundred eighty million, nine hundred fifty-nine thousand, sixty-eight".