662938644080 has 80 divisors (see below), whose sum is σ = 1548476248320. Its totient is φ = 263949244416.

The previous prime is 662938644079. The next prime is 662938644083. The reversal of 662938644080 is 80446839266.

It is a happy number.

662938644080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662938644083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15191252 + ... + 15234828.

It is an arithmetic number, because the mean of its divisors is an integer number (19355953104).

Almost surely, 2^662938644080 is an apocalyptic number.

It is an amenable number.

662938644080 is an abundant number, since it is smaller than the sum of its proper divisors (885537604240).

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

662938644080 is a wasteful number, since it uses less digits than its factorization.

662938644080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44466 (or 44460 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 662938644080 in words is "six hundred sixty-two billion, nine hundred thirty-eight million, six hundred forty-four thousand, eighty".