670216645800 has 576 divisors, whose sum is σ = 2569870517760. Its totient is φ = 155333376000.

The previous prime is 670216645753. The next prime is 670216645849. The reversal of 670216645800 is 8546612076.

670216645800 is a `hidden beast` number, since 6 + 7 + 0 + 2 + 1 + 6 + 64 + 580 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 26827315 + ... + 26852285.

It is an arithmetic number, because the mean of its divisors is an integer number (4461580760).

Almost surely, 2^670216645800 is an apocalyptic number.

670216645800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670216645800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284935258880).

670216645800 is an abundant number, since it is smaller than the sum of its proper divisors (1899653871960).

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

670216645800 is a wasteful number, since it uses less digits than its factorization.

670216645800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25074 (or 25062 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 670216645800 in words is "six hundred seventy billion, two hundred sixteen million, six hundred forty-five thousand, eight hundred".