670553851 has 8 divisors (see below), whose sum is σ = 732025008. Its totient is φ = 609168000.

The previous prime is 670553843. The next prime is 670553861. The reversal of 670553851 is 158355076.

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 670553851 - 2³ = 670553843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670553861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290 + ... + 36871.

It is an arithmetic number, because the mean of its divisors is an integer number (91503126).

Almost surely, 2^670553851 is an apocalyptic number.

670553851 is a deficient number, since it is larger than the sum of its proper divisors (61471157).

670553851 is a wasteful number, since it uses less digits than its factorization.

670553851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42653.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 670553851 is about 25895.0545664611. The cubic root of 670553851 is about 875.2750595385.

The spelling of 670553851 in words is "six hundred seventy million, five hundred fifty-three thousand, eight hundred fifty-one".