205162964 has 6 divisors (see below), whose sum is σ = 359035194. Its totient is φ = 102581480.

The previous prime is 205162939. The next prime is 205162981. The reversal of 205162964 is 469261502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138250564 + 66912400 = 11758^2 + 8180^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25645367 + ... + 25645374.

It is an arithmetic number, because the mean of its divisors is an integer number (59839199).

Almost surely, 2^205162964 is an apocalyptic number.

It is an amenable number.

205162964 is a deficient number, since it is larger than the sum of its proper divisors (153872230).

205162964 is a wasteful number, since it uses less digits than its factorization.

205162964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51290745 (or 51290743 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 205162964 is about 14323.5108824617. The cubic root of 205162964 is about 589.7930558336.

The spelling of 205162964 in words is "two hundred five million, one hundred sixty-two thousand, nine hundred sixty-four".