1673888642 has 16 divisors (see below), whose sum is σ = 2605901760. Its totient is φ = 805443408.

The previous prime is 1673888611. The next prime is 1673888647. The reversal of 1673888642 is 2468883761.

It is not an unprimeable number, because it can be changed into a prime (1673888647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29198 + ... + 64809.

It is an arithmetic number, because the mean of its divisors is an integer number (162868860).

Almost surely, 2^1673888642 is an apocalyptic number.

1673888642 is a deficient number, since it is larger than the sum of its proper divisors (932013118).

1673888642 is a wasteful number, since it uses less digits than its factorization.

1673888642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94345.

The product of its digits is 3096576, while the sum is 53.

The square root of 1673888642 is about 40913.1842075388. The cubic root of 1673888642 is about 1187.3411535931.

The spelling of 1673888642 in words is "one billion, six hundred seventy-three million, eight hundred eighty-eight thousand, six hundred forty-two".