667215813048 has 32 divisors (see below), whose sum is σ = 1740562992000. Its totient is φ = 212735476448.

The previous prime is 667215813029. The next prime is 667215813049. The reversal of 667215813048 is 840318512766.

667215813048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667215813049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604361598 + ... + 604362701.

It is an arithmetic number, because the mean of its divisors is an integer number (54392593500).

Almost surely, 2^667215813048 is an apocalyptic number.

It is an amenable number.

667215813048 is an abundant number, since it is smaller than the sum of its proper divisors (1073347178952).

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

667215813048 is a wasteful number, since it uses less digits than its factorization.

667215813048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208724331 (or 1208724327 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 667215813048 in words is "six hundred sixty-seven billion, two hundred fifteen million, eight hundred thirteen thousand, forty-eight".