161611354706 has 32 divisors (see below), whose sum is σ = 256485528000. Its totient is φ = 76160855232.

The previous prime is 161611354691. The next prime is 161611354739. The reversal of 161611354706 is 607453116161.

161611354706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161611354706² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854685 + ... + 5882223.

It is an arithmetic number, because the mean of its divisors is an integer number (8015172750).

Almost surely, 2^161611354706 is an apocalyptic number.

161611354706 is a deficient number, since it is larger than the sum of its proper divisors (94874173294).

161611354706 is a wasteful number, since it uses less digits than its factorization.

161611354706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28346.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 161611354706 in words is "one hundred sixty-one billion, six hundred eleven million, three hundred fifty-four thousand, seven hundred six".