671144146 has 8 divisors (see below), whose sum is σ = 1006869744. Its totient is φ = 335520900.

The previous prime is 671144137. The next prime is 671144171. The reversal of 671144146 is 641441176.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6280 + ... + 37171.

It is an arithmetic number, because the mean of its divisors is an integer number (125858718).

Almost surely, 2^671144146 is an apocalyptic number.

671144146 is a deficient number, since it is larger than the sum of its proper divisors (335725598).

671144146 is a wasteful number, since it uses less digits than its factorization.

671144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51176.

The product of its digits is 16128, while the sum is 34.

The square root of 671144146 is about 25906.4498918706. The cubic root of 671144146 is about 875.5318218923.

The spelling of 671144146 in words is "six hundred seventy-one million, one hundred forty-four thousand, one hundred forty-six".