161376117 has 16 divisors (see below), whose sum is σ = 246105600. Its totient is φ = 92140272.

The previous prime is 161376107. The next prime is 161376247. The reversal of 161376117 is 711673161.

It is not a de Polignac number, because 161376117 - 2⁷ = 161375989 is a prime.

It is a super-2 number, since 2×161376117² = 52084502275995378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161376107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33418 + ... + 37940.

It is an arithmetic number, because the mean of its divisors is an integer number (15381600).

Almost surely, 2^161376117 is an apocalyptic number.

It is an amenable number.

161376117 is a deficient number, since it is larger than the sum of its proper divisors (84729483).

161376117 is a wasteful number, since it uses less digits than its factorization.

161376117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232.

The product of its digits is 5292, while the sum is 33.

The square root of 161376117 is about 12703.3899806312. The cubic root of 161376117 is about 544.4354808912.

It can be divided in two parts, 161 and 376117, that added together give a triangular number (376278 = T₈₆₇).

The spelling of 161376117 in words is "one hundred sixty-one million, three hundred seventy-six thousand, one hundred seventeen".