667602070842 has 48 divisors (see below), whose sum is σ = 1553605758432. Its totient is φ = 190693208160.

The previous prime is 667602070841. The next prime is 667602070913. The reversal of 667602070842 is 248070206766.

It is a junction number, because it is equal to n+sod(n) for n = 667602070791 and 667602070800.

It is not an unprimeable number, because it can be changed into a prime (667602070841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 826233 + ... + 1420515.

It is an arithmetic number, because the mean of its divisors is an integer number (32366786634).

Almost surely, 2^667602070842 is an apocalyptic number.

667602070842 is an abundant number, since it is smaller than the sum of its proper divisors (886003687590).

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

667602070842 is a wasteful number, since it uses less digits than its factorization.

667602070842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598123 (or 598116 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 667602070842 in words is "six hundred sixty-seven billion, six hundred two million, seventy thousand, eight hundred forty-two".