161156606101149 has 8 divisors (see below), whose sum is σ = 215797687140672. Its totient is φ = 106976631231200.

The previous prime is 161156606101039. The next prime is 161156606101171. The reversal of 161156606101149 is 941101606651161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161156606101149 - 2⁴⁷ = 20419117745821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161156606101098 and 161156606101107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161156606101949) 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 7 ways as a sum of consecutive naturals, for example, 115276541577 + ... + 115276542974.

It is an arithmetic number, because the mean of its divisors is an integer number (26974710892584).

Almost surely, 2^{161156606101149} is an apocalyptic number.

It is an amenable number.

161156606101149 is a deficient number, since it is larger than the sum of its proper divisors (54641081039523).

161156606101149 is a wasteful number, since it uses less digits than its factorization.

161156606101149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230553084787.

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 161156606101149 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, six hundred six million, one hundred one thousand, one hundred forty-nine".