64237188960 has 432 divisors, whose sum is σ = 255772048896. Its totient is φ = 14638288896.

The previous prime is 64237188959. The next prime is 64237188973. The reversal of 64237188960 is 6988173246.

It is a junction number, because it is equal to n+sod(n) for n = 64237188897 and 64237188906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 27023292 + ... + 27025668.

It is an arithmetic number, because the mean of its divisors is an integer number (592064928).

Almost surely, 2^64237188960 is an apocalyptic number.

64237188960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64237188960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127886024448).

64237188960 is an abundant number, since it is smaller than the sum of its proper divisors (191534859936).

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

64237188960 is a wasteful number, since it uses less digits than its factorization.

64237188960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 64237188960 in words is "sixty-four billion, two hundred thirty-seven million, one hundred eighty-eight thousand, nine hundred sixty".