161124015144961 has 32 divisors (see below), whose sum is σ = 187783611350400. Its totient is φ = 136701066631680.

The previous prime is 161124015144949. The next prime is 161124015144971. The reversal of 161124015144961 is 169441510421161.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161124015144961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161124015144901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6278535 + ... + 19017571.

It is an arithmetic number, because the mean of its divisors is an integer number (5868237854700).

Almost surely, 2^{161124015144961} is an apocalyptic number.

161124015144961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161124015144961 is a deficient number, since it is larger than the sum of its proper divisors (26659596205439).

161124015144961 is a wasteful number, since it uses less digits than its factorization.

161124015144961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739969.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 161124015144961 in words is "one hundred sixty-one trillion, one hundred twenty-four billion, fifteen million, one hundred forty-four thousand, nine hundred sixty-one".