64068603532 has 12 divisors (see below), whose sum is σ = 114727499656. Its totient is φ = 31289317920.

The previous prime is 64068603517. The next prime is 64068603589. The reversal of 64068603532 is 23530686046.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 186245769 + ... + 186246112.

Almost surely, 2^64068603532 is an apocalyptic number.

It is an amenable number.

64068603532 is a deficient number, since it is larger than the sum of its proper divisors (50658896124).

64068603532 is a wasteful number, since it uses less digits than its factorization.

64068603532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372491928 (or 372491926 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 64068603532 in words is "sixty-four billion, sixty-eight million, six hundred three thousand, five hundred thirty-two".