609163079121 has 63 divisors (see below), whose sum is σ = 924423146283. Its totient is φ = 401233785120.

The previous prime is 609163079069. The next prime is 609163079143. The reversal of 609163079121 is 121970361906.

The square root of 609163079121 is 780489.

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

609163079121 is a `hidden beast` number, since 6 + 0 + 9 + 1 + 630 + 7 + 9 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 357825294225 + 251337784896 = 598185^2 + 501336^2 .

It is not a de Polignac number, because 609163079121 - 2⁹ = 609163078609 is a prime.

It is a super-2 number, since 2×609163079121² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (609163075121) 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 62 ways as a sum of consecutive naturals, for example, 2887028706 + ... + 2887028916.

Almost surely, 2^609163079121 is an apocalyptic number.

609163079121 is the 780489-th square number.

609163079121 is the 390245-th centered octagonal number.

It is an amenable number.

609163079121 is a deficient number, since it is larger than the sum of its proper divisors (315260067162).

609163079121 is an frugal number, since it uses more digits than its factorization.

609163079121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 609163079121 in words is "six hundred nine billion, one hundred sixty-three million, seventy-nine thousand, one hundred twenty-one".