161061002430355 has 32 divisors (see below), whose sum is σ = 195788427863616. Its totient is φ = 127174994171904.

The previous prime is 161061002430343. The next prime is 161061002430359. The reversal of 161061002430355 is 553034200160161.

It is a cyclic number.

It is not a de Polignac number, because 161061002430355 - 2⁵ = 161061002430323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161061002430359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2469735729 + ... + 2469800941.

It is an arithmetic number, because the mean of its divisors is an integer number (6118388370738).

Almost surely, 2^{161061002430355} is an apocalyptic number.

161061002430355 is a deficient number, since it is larger than the sum of its proper divisors (34727425433261).

161061002430355 is a wasteful number, since it uses less digits than its factorization.

161061002430355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70887.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 161061002430355 in words is "one hundred sixty-one trillion, sixty-one billion, two million, four hundred thirty thousand, three hundred fifty-five".