64540331062 has 8 divisors (see below), whose sum is σ = 96811581600. Its totient is φ = 32269803864.

The previous prime is 64540331039. The next prime is 64540331083. The reversal of 64540331062 is 26013304546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 219364 + ... + 420952.

It is an arithmetic number, because the mean of its divisors is an integer number (12101447700).

Almost surely, 2^64540331062 is an apocalyptic number.

64540331062 is a deficient number, since it is larger than the sum of its proper divisors (32271250538).

64540331062 is a wasteful number, since it uses less digits than its factorization.

64540331062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361670.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 64540331062 in words is "sixty-four billion, five hundred forty million, three hundred thirty-one thousand, sixty-two".