161106414611523 has 16 divisors (see below), whose sum is σ = 215109841879296. Its totient is φ = 107253639868320.

The previous prime is 161106414611509. The next prime is 161106414611567. The reversal of 161106414611523 is 325116414601161.

It is not a de Polignac number, because 161106414611523 - 2¹⁰ = 161106414610499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161106414613523) 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 15 ways as a sum of consecutive naturals, for example, 81228568 + ... + 83188298.

It is an arithmetic number, because the mean of its divisors is an integer number (13444365117456).

Almost surely, 2^{161106414611523} is an apocalyptic number.

161106414611523 is a deficient number, since it is larger than the sum of its proper divisors (54003427267773).

161106414611523 is a wasteful number, since it uses less digits than its factorization.

161106414611523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998154.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 161106414611523 in words is "one hundred sixty-one trillion, one hundred six billion, four hundred fourteen million, six hundred eleven thousand, five hundred twenty-three".