670190855 has 8 divisors (see below), whose sum is σ = 804660912. Its totient is φ = 535864768.

The previous prime is 670190849. The next prime is 670190861. The reversal of 670190855 is 558091076.

It is an interprime number because it is at equal distance from previous prime (670190849) and next prime (670190861).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670190855 - 2⁴ = 670190839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25469 + ... + 44598.

It is an arithmetic number, because the mean of its divisors is an integer number (100582614).

Almost surely, 2^670190855 is an apocalyptic number.

670190855 is a deficient number, since it is larger than the sum of its proper divisors (134470057).

670190855 is a wasteful number, since it uses less digits than its factorization.

670190855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71985.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 670190855 is about 25888.0446345412. The cubic root of 670190855 is about 875.1170912691.

The spelling of 670190855 in words is "six hundred seventy million, one hundred ninety thousand, eight hundred fifty-five".