667252386552 has 64 divisors (see below), whose sum is σ = 1687553604000. Its totient is φ = 219837763584.

The previous prime is 667252386533. The next prime is 667252386571. The reversal of 667252386552 is 255683252766.

It is an interprime number because it is at equal distance from previous prime (667252386533) and next prime (667252386571).

It is a junction number, because it is equal to n+sod(n) for n = 667252386492 and 667252386501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758128 + ... + 1381760.

Almost surely, 2^667252386552 is an apocalyptic number.

It is an amenable number.

667252386552 is an abundant number, since it is smaller than the sum of its proper divisors (1020301217448).

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

667252386552 is a wasteful number, since it uses less digits than its factorization.

667252386552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624160 (or 624156 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 57.

The spelling of 667252386552 in words is "six hundred sixty-seven billion, two hundred fifty-two million, three hundred eighty-six thousand, five hundred fifty-two".