1872368215161 has 8 divisors (see below), whose sum is σ = 2496715644000. Its totient is φ = 1248133131552.

The previous prime is 1872368215139. The next prime is 1872368215171. The reversal of 1872368215161 is 1615128632781.

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

It is not a de Polignac number, because 1872368215161 - 2⁷ = 1872368215033 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1872368215171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28047411 + ... + 28114088.

It is an arithmetic number, because the mean of its divisors is an integer number (312089455500).

Almost surely, 2^{1872368215161} is an apocalyptic number.

It is an amenable number.

1872368215161 is a deficient number, since it is larger than the sum of its proper divisors (624347428839).

1872368215161 is a wasteful number, since it uses less digits than its factorization.

1872368215161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172615.

The product of its digits is 967680, while the sum is 51.

The spelling of 1872368215161 in words is "one trillion, eight hundred seventy-two billion, three hundred sixty-eight million, two hundred fifteen thousand, one hundred sixty-one".