169101065961 has 15 divisors (see below), whose sum is σ = 252613293933. Its totient is φ = 112731576660.

The previous prime is 169101065933. The next prime is 169101065971. The reversal of 169101065961 is 169560101961.

The square root of 169101065961 is 411219.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 169101065961 - 2⁵ = 169101065929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (169101065971) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3678126 + ... + 3723816.

Almost surely, 2^169101065961 is an apocalyptic number.

169101065961 is the 411219-th square number.

169101065961 is the 205610-th centered octagonal number.

It is an amenable number.

169101065961 is a deficient number, since it is larger than the sum of its proper divisors (83512227972).

169101065961 is an frugal number, since it uses more digits than its factorization.

169101065961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91394 (or 45694 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 169101065961 in words is "one hundred sixty-nine billion, one hundred one million, sixty-five thousand, nine hundred sixty-one".