667730050160 has 20 divisors (see below), whose sum is σ = 1552472366808. Its totient is φ = 267092020032.

The previous prime is 667730050073. The next prime is 667730050171. The reversal of 667730050160 is 61050037766.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×667730050160² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173312734 + ... + 4173312893.

Almost surely, 2^667730050160 is an apocalyptic number.

It is an amenable number.

667730050160 is an abundant number, since it is smaller than the sum of its proper divisors (884742316648).

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

667730050160 is a wasteful number, since it uses less digits than its factorization.

667730050160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346625640 (or 8346625634 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 667730050160 in words is "six hundred sixty-seven billion, seven hundred thirty million, fifty thousand, one hundred sixty".