667025082708 has 24 divisors (see below), whose sum is σ = 1556409630048. Its totient is φ = 222339155616.

The previous prime is 667025082701. The next prime is 667025082721. The reversal of 667025082708 is 807280520766.

It is a happy number.

It is a super-2 number, since 2×667025082708² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667025082701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994335 + ... + 1524057.

It is an arithmetic number, because the mean of its divisors is an integer number (64850401252).

Almost surely, 2^667025082708 is an apocalyptic number.

It is an amenable number.

667025082708 is an abundant number, since it is smaller than the sum of its proper divisors (889384547340).

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

667025082708 is a wasteful number, since it uses less digits than its factorization.

667025082708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634663 (or 634661 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 667025082708 in words is "six hundred sixty-seven billion, twenty-five million, eighty-two thousand, seven hundred eight".