161206118036 has 12 divisors (see below), whose sum is σ = 291211052160. Its totient is φ = 78002960280.

The previous prime is 161206117993. The next prime is 161206118039. The reversal of 161206118036 is 630811602161.

It is a junction number, because it is equal to n+sod(n) for n = 161206117987 and 161206118005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161206118039) 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, 650024546 + ... + 650024793.

It is an arithmetic number, because the mean of its divisors is an integer number (24267587680).

Almost surely, 2^161206118036 is an apocalyptic number.

It is an amenable number.

161206118036 is a deficient number, since it is larger than the sum of its proper divisors (130004934124).

161206118036 is a wasteful number, since it uses less digits than its factorization.

161206118036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300049374 (or 1300049372 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 161206118036 in words is "one hundred sixty-one billion, two hundred six million, one hundred eighteen thousand, thirty-six".