182680162921 has 9 divisors (see below), whose sum is σ = 183460937751. Its totient is φ = 181902702312.

The previous prime is 182680162913. The next prime is 182680162943. The reversal of 182680162921 is 129261086281.

The square root of 182680162921 is 427411.

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., 31486728025 + 151193434896 = 177445^2 + 388836^2 .

It is not a de Polignac number, because 182680162921 - 2³ = 182680162913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182681162921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 118392076 + ... + 118393618.

It is an arithmetic number, because the mean of its divisors is an integer number (20384548639).

Almost surely, 2^182680162921 is an apocalyptic number.

182680162921 is the 427411-st square number.

182680162921 is the 213706-th centered octagonal number.

It is an amenable number.

182680162921 is a deficient number, since it is larger than the sum of its proper divisors (780774830).

182680162921 is an frugal number, since it uses more digits than its factorization.

182680162921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 182680162921 in words is "one hundred eighty-two billion, six hundred eighty million, one hundred sixty-two thousand, nine hundred twenty-one".