667252235270 has 32 divisors (see below), whose sum is σ = 1210892820480. Its totient is φ = 264723331680.

The previous prime is 667252235269. The next prime is 667252235291. The reversal of 667252235270 is 72532252766.

It is a super-2 number, since 2×667252235270² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52271 + ... + 1156389.

It is an arithmetic number, because the mean of its divisors is an integer number (37840400640).

Almost surely, 2^667252235270 is an apocalyptic number.

667252235270 is a deficient number, since it is larger than the sum of its proper divisors (543640585210).

667252235270 is a wasteful number, since it uses less digits than its factorization.

667252235270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104620.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 667252235270 in words is "six hundred sixty-seven billion, two hundred fifty-two million, two hundred thirty-five thousand, two hundred seventy".