161301619355 has 12 divisors (see below), whose sum is σ = 202343584800. Its totient is φ = 123430802352.

The previous prime is 161301619351. The next prime is 161301619373. The reversal of 161301619355 is 553916103161.

161301619355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161301619355 - 2² = 161301619351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161301619351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30489155 + ... + 30494444.

It is an arithmetic number, because the mean of its divisors is an integer number (16861965400).

Almost surely, 2^161301619355 is an apocalyptic number.

161301619355 is a deficient number, since it is larger than the sum of its proper divisors (41041965445).

161301619355 is an equidigital number, since it uses as much as digits as its factorization.

161301619355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60983650 (or 60983627 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 161301619355 in words is "one hundred sixty-one billion, three hundred one million, six hundred nineteen thousand, three hundred fifty-five".