1672894618 has 16 divisors (see below), whose sum is σ = 2570078016. Its totient is φ = 816238080.

The previous prime is 1672894589. The next prime is 1672894649. The reversal of 1672894618 is 8164982761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90723 + ... + 107593.

It is an arithmetic number, because the mean of its divisors is an integer number (160629876).

Almost surely, 2^1672894618 is an apocalyptic number.

1672894618 is a deficient number, since it is larger than the sum of its proper divisors (897183398).

1672894618 is a wasteful number, since it uses less digits than its factorization.

1672894618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069.

The product of its digits is 1161216, while the sum is 52.

The square root of 1672894618 is about 40901.0344367963. The cubic root of 1672894618 is about 1187.1060763650.

The spelling of 1672894618 in words is "one billion, six hundred seventy-two million, eight hundred ninety-four thousand, six hundred eighteen".