161156606101107 has 8 divisors (see below), whose sum is σ = 218082571440576. Its totient is φ = 105834189081192.

The previous prime is 161156606101039. The next prime is 161156606101171. The reversal of 161156606101107 is 701101606651161.

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

It is a de Polignac number, because none of the positive numbers 2^k-161156606101107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161156606111107) 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, 400887079653 + ... + 400887080054.

It is an arithmetic number, because the mean of its divisors is an integer number (27260321430072).

Almost surely, 2^{161156606101107} is an apocalyptic number.

161156606101107 is a deficient number, since it is larger than the sum of its proper divisors (56925965339469).

161156606101107 is an equidigital number, since it uses as much as digits as its factorization.

161156606101107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801774159777.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 161156606101107 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, six hundred six million, one hundred one thousand, one hundred seven".