670627260416 has 48 divisors (see below), whose sum is σ = 1341650664900. Its totient is φ = 335132688384.

The previous prime is 670627260397. The next prime is 670627260431. The reversal of 670627260416 is 614062726076.

It can be written as a sum of positive squares in 2 ways, for example, as 644976034816 + 25651225600 = 803104^2 + 160160^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748490 + ... + 3923318.

Almost surely, 2^670627260416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670627260416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670825332450).

670627260416 is an abundant number, since it is smaller than the sum of its proper divisors (671023404484).

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

670627260416 is a wasteful number, since it uses less digits than its factorization.

670627260416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176724 (or 176704 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 670627260416 in words is "six hundred seventy billion, six hundred twenty-seven million, two hundred sixty thousand, four hundred sixteen".