161126230366155 has 16 divisors (see below), whose sum is σ = 263287116854784. Its totient is φ = 84105606772320.

The previous prime is 161126230366141. The next prime is 161126230366159. The reversal of 161126230366155 is 551663032621161.

It is not a de Polignac number, because 161126230366155 - 2¹⁰ = 161126230365131 is a prime.

It is a super-2 number, since 2×161126230366155² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161126230366159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114273921541 + ... + 114273922950.

It is an arithmetic number, because the mean of its divisors is an integer number (16455444803424).

Almost surely, 2^{161126230366155} is an apocalyptic number.

161126230366155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161126230366155 is a deficient number, since it is larger than the sum of its proper divisors (102160886488629).

161126230366155 is a wasteful number, since it uses less digits than its factorization.

161126230366155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228547844546.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 161126230366155 in words is "one hundred sixty-one trillion, one hundred twenty-six billion, two hundred thirty million, three hundred sixty-six thousand, one hundred fifty-five".