161016101151 has 4 divisors (see below), whose sum is σ = 214688134872. Its totient is φ = 107344067432.

The previous prime is 161016101143. The next prime is 161016101153. The reversal of 161016101151 is 151101610161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161016101151 - 2³ = 161016101143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161016101153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26836016856 + ... + 26836016861.

It is an arithmetic number, because the mean of its divisors is an integer number (53672033718).

Almost surely, 2^161016101151 is an apocalyptic number.

161016101151 is a deficient number, since it is larger than the sum of its proper divisors (53672033721).

161016101151 is an equidigital number, since it uses as much as digits as its factorization.

161016101151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53672033720.

The product of its (nonzero) digits is 180, while the sum is 24.

The spelling of 161016101151 in words is "one hundred sixty-one billion, sixteen million, one hundred one thousand, one hundred fifty-one".