1044156166253 has 8 divisors (see below), whose sum is σ = 1049160848736. Its totient is φ = 1039152013200.

The previous prime is 1044156166241. The next prime is 1044156166259. The reversal of 1044156166253 is 3526616514401.

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 1044156166253 - 2⁴ = 1044156166237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044156166259) 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, 4152950 + ... + 4397192.

It is an arithmetic number, because the mean of its divisors is an integer number (131145106092).

Almost surely, 2^{1044156166253} is an apocalyptic number.

It is an amenable number.

1044156166253 is a deficient number, since it is larger than the sum of its proper divisors (5004682483).

1044156166253 is a wasteful number, since it uses less digits than its factorization.

1044156166253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264715.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 1044156166253 in words is "one trillion, forty-four billion, one hundred fifty-six million, one hundred sixty-six thousand, two hundred fifty-three".