61166160162 has 12 divisors (see below), whose sum is σ = 132526680390. Its totient is φ = 20388720048.

The previous prime is 61166160149. The next prime is 61166160169. The reversal of 61166160162 is 26106166116.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37125967761 + 24040192401 = 192681^2 + 155049^2 .

It is not an unprimeable number, because it can be changed into a prime (61166160169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1699059987 + ... + 1699060022.

Almost surely, 2^61166160162 is an apocalyptic number.

61166160162 is an abundant number, since it is smaller than the sum of its proper divisors (71360520228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61166160162 is a wasteful number, since it uses less digits than its factorization.

61166160162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398120017 (or 3398120014 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 61166160162 in words is "sixty-one billion, one hundred sixty-six million, one hundred sixty thousand, one hundred sixty-two".