49944170960161 has 9 divisors (see below), whose sum is σ = 49993852680499. Its totient is φ = 49894538583424.

The previous prime is 49944170960069. The next prime is 49944170960219. The reversal of 49944170960161 is 16106907144994.

The square root of 49944170960161 is 7067119.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16760303784225 + 33183867175936 = 4093935^2 + 5760544^2 .

It is not a de Polignac number, because 49944170960161 - 2²³ = 49944162571553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49944170960161.

It is not an unprimeable number, because it can be changed into a prime (49944170960461) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 8600680920 + ... + 8600686726.

Almost surely, 2^{49944170960161} is an apocalyptic number.

49944170960161 is the 7067119-th square number.

49944170960161 is the 3533560-th centered octagonal number.

It is an amenable number.

49944170960161 is a deficient number, since it is larger than the sum of its proper divisors (49681720338).

49944170960161 is an frugal number, since it uses more digits than its factorization.

49944170960161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14048 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 49944170960161 in words is "forty-nine trillion, nine hundred forty-four billion, one hundred seventy million, nine hundred sixty thousand, one hundred sixty-one".