1671640304 has 10 divisors (see below), whose sum is σ = 3238803120. Its totient is φ = 835820144.

The previous prime is 1671640297. The next prime is 1671640331. The reversal of 1671640304 is 4030461761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52238744 + ... + 52238775.

It is an arithmetic number, because the mean of its divisors is an integer number (323880312).

Almost surely, 2^1671640304 is an apocalyptic number.

It is an amenable number.

1671640304 is a deficient number, since it is larger than the sum of its proper divisors (1567162816).

1671640304 is a wasteful number, since it uses less digits than its factorization.

1671640304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104477527 (or 104477521 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1671640304 is about 40885.6980373333. The cubic root of 1671640304 is about 1186.8093100983.

The spelling of 1671640304 in words is "one billion, six hundred seventy-one million, six hundred forty thousand, three hundred four".