41669465161 has 9 divisors (see below), whose sum is σ = 43162022631. Its totient is φ = 40226871384.

The previous prime is 41669465141. The next prime is 41669465183. The reversal of 41669465161 is 16156496614.

The square root of 41669465161 is 204131.

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., 21850456761 + 19819008400 = 147819^2 + 140780^2 .

It is not a de Polignac number, because 41669465161 - 2¹⁵ = 41669432393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41669465141) 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 8 ways as a sum of consecutive naturals, for example, 5916280 + ... + 5923318.

Almost surely, 2^41669465161 is an apocalyptic number.

41669465161 is the 204131-st square number.

41669465161 is the 102066-th centered octagonal number.

It is an amenable number.

41669465161 is a deficient number, since it is larger than the sum of its proper divisors (1492557470).

41669465161 is an frugal number, since it uses more digits than its factorization.

41669465161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136 (or 7068 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

Multiplying 41669465161 by its sum of digits (49), we get a square (2041803792889 = 1428917²).

The spelling of 41669465161 in words is "forty-one billion, six hundred sixty-nine million, four hundred sixty-five thousand, one hundred sixty-one".