1881667241 has 8 divisors (see below), whose sum is σ = 1891270944. Its totient is φ = 1872075520.

The previous prime is 1881667217. The next prime is 1881667279. The reversal of 1881667241 is 1427661881.

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

It is a cyclic number.

It is not a de Polignac number, because 1881667241 - 2²² = 1877472937 is a prime.

It is a super-3 number, since 3×1881667241³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1881667192 and 1881667201.

It is not an unprimeable number, because it can be changed into a prime (1881667841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623426 + ... + 626436.

It is an arithmetic number, because the mean of its divisors is an integer number (236408868).

Almost surely, 2^1881667241 is an apocalyptic number.

It is an amenable number.

1881667241 is a deficient number, since it is larger than the sum of its proper divisors (9603703).

1881667241 is a wasteful number, since it uses less digits than its factorization.

1881667241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991.

The product of its digits is 129024, while the sum is 44.

The square root of 1881667241 is about 43378.1885398641. The cubic root of 1881667241 is about 1234.5658930931.

The spelling of 1881667241 in words is "one billion, eight hundred eighty-one million, six hundred sixty-seven thousand, two hundred forty-one".