670051571 has 8 divisors (see below), whose sum is σ = 799067904. Its totient is φ = 549358920.

The previous prime is 670051567. The next prime is 670051573. The reversal of 670051571 is 175150076.

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 670051571 - 2² = 670051567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670051573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2080745 + ... + 2081066.

It is an arithmetic number, because the mean of its divisors is an integer number (99883488).

Almost surely, 2^670051571 is an apocalyptic number.

670051571 is a deficient number, since it is larger than the sum of its proper divisors (129016333).

670051571 is a wasteful number, since it uses less digits than its factorization.

670051571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161841.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 670051571 is about 25885.3543726950. The cubic root of 670051571 is about 875.0564626422.

The spelling of 670051571 in words is "six hundred seventy million, fifty-one thousand, five hundred seventy-one".