671016507 has 16 divisors (see below), whose sum is σ = 1023360000. Its totient is φ = 383116032.

The previous prime is 671016473. The next prime is 671016551. The reversal of 671016507 is 705610176.

It is not a de Polignac number, because 671016507 - 2²³ = 662627899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671016557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13438 + ... + 39020.

It is an arithmetic number, because the mean of its divisors is an integer number (63960000).

Almost surely, 2^671016507 is an apocalyptic number.

671016507 is a deficient number, since it is larger than the sum of its proper divisors (352343493).

671016507 is a wasteful number, since it uses less digits than its factorization.

671016507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26842.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 671016507 is about 25903.9863148512. The cubic root of 671016507 is about 875.4763151422.

The spelling of 671016507 in words is "six hundred seventy-one million, sixteen thousand, five hundred seven".