1671649010 has 8 divisors (see below), whose sum is σ = 3008968236. Its totient is φ = 668659600.

The previous prime is 1671649009. The next prime is 1671649027. The reversal of 1671649010 is 109461761.

It can be written as a sum of positive squares in 2 ways, for example, as 1492972321 + 178676689 = 38639^2 + 13367^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83582441 + ... + 83582460.

Almost surely, 2^1671649010 is an apocalyptic number.

1671649010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1671649010 is a deficient number, since it is larger than the sum of its proper divisors (1337319226).

1671649010 is a wasteful number, since it uses less digits than its factorization.

1671649010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167164908.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1671649010 is about 40885.8045047422. The cubic root of 1671649010 is about 1186.8113704187.

The spelling of 1671649010 in words is "one billion, six hundred seventy-one million, six hundred forty-nine thousand, ten".