670838169 has 8 divisors (see below), whose sum is σ = 894571072. Its totient is φ = 447165360.

The previous prime is 670838159. The next prime is 670838177. The reversal of 670838169 is 961838076.

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

It is not a de Polignac number, because 670838169 - 2⁴ = 670838153 is a prime.

It is a super-2 number, since 2×670838169² = 900047697974545122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670838159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32547 + ... + 48999.

It is an arithmetic number, because the mean of its divisors is an integer number (111821384).

Almost surely, 2^670838169 is an apocalyptic number.

It is an amenable number.

670838169 is a deficient number, since it is larger than the sum of its proper divisors (223732903).

670838169 is a wasteful number, since it uses less digits than its factorization.

670838169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 670838169 is about 25900.5437973800. The cubic root of 670838169 is about 875.3987489783.

The spelling of 670838169 in words is "six hundred seventy million, eight hundred thirty-eight thousand, one hundred sixty-nine".