184962203206561 has 27 divisors (see below), whose sum is σ = 204235064573043. Its totient is φ = 167382180902640.

The previous prime is 184962203206531. The next prime is 184962203206603. The reversal of 184962203206561 is 165602302269481.

The square root of 184962203206561 is 13600081.

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., 172264811250961 + 12697391955600 = 13124969^2 + 3563340^2 .

It is not a de Polignac number, because 184962203206561 - 2²¹ = 184962201109409 is a prime.

It is a super-2 number, since 2×184962203206561² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184962203206531) 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 26 ways as a sum of consecutive naturals, for example, 34258601340 + ... + 34258606738.

Almost surely, 2^{184962203206561} is an apocalyptic number.

184962203206561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

184962203206561 is the 13600081-st square number.

184962203206561 is the 6800041-st centered octagonal number.

It is an amenable number.

184962203206561 is a deficient number, since it is larger than the sum of its proper divisors (19272861366482).

184962203206561 is an frugal number, since it uses more digits than its factorization.

184962203206561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 184962203206561 in words is "one hundred eighty-four trillion, nine hundred sixty-two billion, two hundred three million, two hundred six thousand, five hundred sixty-one".