161142342355 has 16 divisors (see below), whose sum is σ = 211805759520. Its totient is φ = 117146885632.

The previous prime is 161142342337. The next prime is 161142342371. The reversal of 161142342355 is 553243241161.

It is a cyclic number.

It is not a de Polignac number, because 161142342355 - 2¹⁷ = 161142211283 is a prime.

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, 32683609 + ... + 32688538.

It is an arithmetic number, because the mean of its divisors is an integer number (13237859970).

Almost surely, 2^161142342355 is an apocalyptic number.

161142342355 is a deficient number, since it is larger than the sum of its proper divisors (50663417165).

161142342355 is a wasteful number, since it uses less digits than its factorization.

161142342355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65372198.

The product of its digits is 86400, while the sum is 37.

The spelling of 161142342355 in words is "one hundred sixty-one billion, one hundred forty-two million, three hundred forty-two thousand, three hundred fifty-five".