671061610 has 16 divisors (see below), whose sum is σ = 1227713832. Its totient is φ = 264024000.

The previous prime is 671061607. The next prime is 671061613. The reversal of 671061610 is 16160176.

It is an interprime number because it is at equal distance from previous prime (671061607) and next prime (671061613).

It can be written as a sum of positive squares in 4 ways, for example, as 350400961 + 320660649 = 18719^2 + 17907^2 .

It is not an unprimeable number, because it can be changed into a prime (671061613) 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, 549441 + ... + 550660.

Almost surely, 2^671061610 is an apocalyptic number.

671061610 is a deficient number, since it is larger than the sum of its proper divisors (556652222).

671061610 is a wasteful number, since it uses less digits than its factorization.

671061610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100169.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 671061610 is about 25904.8568805157. The cubic root of 671061610 is about 875.4959300215.

The spelling of 671061610 in words is "six hundred seventy-one million, sixty-one thousand, six hundred ten".