667232842258 has 4 divisors (see below), whose sum is σ = 1000849263390. Its totient is φ = 333616421128.

The previous prime is 667232842207. The next prime is 667232842273. The reversal of 667232842258 is 852248232766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 619049519209 + 48183323049 = 786797^2 + 219507^2 .

It is a super-2 number, since 2×667232842258² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667232842199 and 667232842208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166808210563 + ... + 166808210566.

Almost surely, 2^667232842258 is an apocalyptic number.

667232842258 is a deficient number, since it is larger than the sum of its proper divisors (333616421132).

667232842258 is a wasteful number, since it uses less digits than its factorization.

667232842258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333616421131.

The product of its digits is 15482880, while the sum is 55.

The spelling of 667232842258 in words is "six hundred sixty-seven billion, two hundred thirty-two million, eight hundred forty-two thousand, two hundred fifty-eight".