161101567060501 has 16 divisors (see below), whose sum is σ = 165645841092480. Its totient is φ = 156630140884800.

The previous prime is 161101567060493. The next prime is 161101567060513. The reversal of 161101567060501 is 105060765101161.

It is a cyclic number.

It is not a de Polignac number, because 161101567060501 - 2³ = 161101567060493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161101567060571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35405241 + ... + 39695518.

It is an arithmetic number, because the mean of its divisors is an integer number (10352865068280).

Almost surely, 2^{161101567060501} is an apocalyptic number.

It is an amenable number.

161101567060501 is a deficient number, since it is larger than the sum of its proper divisors (4544274031979).

161101567060501 is a wasteful number, since it uses less digits than its factorization.

161101567060501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75101244.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 161101567060501 in words is "one hundred sixty-one trillion, one hundred one billion, five hundred sixty-seven million, sixty thousand, five hundred one".