161122615140344 has 48 divisors (see below), whose sum is σ = 357609237223560. Its totient is φ = 67603894459200.

The previous prime is 161122615140317. The next prime is 161122615140397. The reversal of 161122615140344 is 443041516221161.

It is a happy number.

161122615140344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6401871362 + ... + 6401896529.

Almost surely, 2^{161122615140344} is an apocalyptic number.

It is an amenable number.

161122615140344 is an abundant number, since it is smaller than the sum of its proper divisors (196486622083216).

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

161122615140344 is a wasteful number, since it uses less digits than its factorization.

161122615140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803767932 (or 12803767917 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 161122615140344 in words is "one hundred sixty-one trillion, one hundred twenty-two billion, six hundred fifteen million, one hundred forty thousand, three hundred forty-four".