1044161867399 has 8 divisors (see below), whose sum is σ = 1195360779648. Its totient is φ = 893471187960.

The previous prime is 1044161867393. The next prime is 1044161867453. The reversal of 1044161867399 is 9937681614401.

It is a happy number.

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 1044161867399 - 2¹⁶ = 1044161801863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044161867393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127053797 + ... + 127062014.

It is an arithmetic number, because the mean of its divisors is an integer number (149420097456).

Almost surely, 2^{1044161867399} is an apocalyptic number.

1044161867399 is a deficient number, since it is larger than the sum of its proper divisors (151198912249).

1044161867399 is an equidigital number, since it uses as much as digits as its factorization.

1044161867399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254116405.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 1044161867399 in words is "one trillion, forty-four billion, one hundred sixty-one million, eight hundred sixty-seven thousand, three hundred ninety-nine".