64191431340600 has 96 divisors (see below), whose sum is σ = 199885784824320. Its totient is φ = 17040953934720.

The previous prime is 64191431340581. The next prime is 64191431340601. The reversal of 64191431340600 is 604313419146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64191431340601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239744494 + ... + 240012093.

It is an arithmetic number, because the mean of its divisors is an integer number (2082143591920).

Almost surely, 2^{64191431340600} is an apocalyptic number.

64191431340600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64191431340600 is an abundant number, since it is smaller than the sum of its proper divisors (135694353483720).

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

64191431340600 is a wasteful number, since it uses less digits than its factorization.

64191431340600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479756829 (or 479756820 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

Adding to 64191431340600 its reverse (604313419146), we get a palindrome (64795744759746).

The spelling of 64191431340600 in words is "sixty-four trillion, one hundred ninety-one billion, four hundred thirty-one million, three hundred forty thousand, six hundred".