650616160606161 has 4 divisors (see below), whose sum is σ = 867488214141552. Its totient is φ = 433744107070772.

The previous prime is 650616160606133. The next prime is 650616160606177. The reversal of 650616160606161 is 161606061616056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650616160606161 - 2⁷ = 650616160606033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650616160606661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108436026767691 + ... + 108436026767696.

It is an arithmetic number, because the mean of its divisors is an integer number (216872053535388).

Almost surely, 2^{650616160606161} is an apocalyptic number.

It is an amenable number.

650616160606161 is a deficient number, since it is larger than the sum of its proper divisors (216872053535391).

650616160606161 is a wasteful number, since it uses less digits than its factorization.

650616160606161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216872053535390.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 650616160606161 in words is "six hundred fifty trillion, six hundred sixteen billion, one hundred sixty million, six hundred six thousand, one hundred sixty-one".