60664668240 has 80 divisors (see below), whose sum is σ = 205156886976. Its totient is φ = 14706585600.

The previous prime is 60664668143. The next prime is 60664668293. The reversal of 60664668240 is 4286646606.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 60664668240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11486881 + ... + 11492160.

Almost surely, 2^60664668240 is an apocalyptic number.

60664668240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60664668240 is an abundant number, since it is smaller than the sum of its proper divisors (144492218736).

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

60664668240 is a wasteful number, since it uses less digits than its factorization.

60664668240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22979068 (or 22979062 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

It can be divided in two parts, 6066466 and 8240, that added together give a palindrome (6074706).

The spelling of 60664668240 in words is "sixty billion, six hundred sixty-four million, six hundred sixty-eight thousand, two hundred forty".