1672181987114 has 8 divisors (see below), whose sum is σ = 2508304121508. Its totient is φ = 836080613280.

The previous prime is 1672181987101. The next prime is 1672181987159. The reversal of 1672181987114 is 4117891812761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1454062164025 + 218119823089 = 1205845^2 + 467033^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1672181987114.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4987187 + ... + 5311910.

Almost surely, 2^{1672181987114} is an apocalyptic number.

1672181987114 is a deficient number, since it is larger than the sum of its proper divisors (836122134394).

1672181987114 is a wasteful number, since it uses less digits than its factorization.

1672181987114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380280.

The product of its digits is 1354752, while the sum is 56.

The spelling of 1672181987114 in words is "one trillion, six hundred seventy-two billion, one hundred eighty-one million, nine hundred eighty-seven thousand, one hundred fourteen".