161612126 has 8 divisors (see below), whose sum is σ = 261065784. Its totient is φ = 74590200.

The previous prime is 161612111. The next prime is 161612141. The reversal of 161612126 is 621216161.

It is an interprime number because it is at equal distance from previous prime (161612111) and next prime (161612141).

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

It is a super-2 number, since 2×161612126² = 52236958540479752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 6215851 = 161612126 / (1 + 6 + 1 + 6 + 1 + 2 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 161612095 and 161612104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107900 + ... + 3107951.

It is an arithmetic number, because the mean of its divisors is an integer number (32633223).

Almost surely, 2^161612126 is an apocalyptic number.

161612126 is a deficient number, since it is larger than the sum of its proper divisors (99453658).

161612126 is a wasteful number, since it uses less digits than its factorization.

161612126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215866.

The product of its digits is 864, while the sum is 26.

The square root of 161612126 is about 12712.6758001610. The cubic root of 161612126 is about 544.7007598926.

Adding to 161612126 its reverse (621216161), we get a palindrome (782828287).

The spelling of 161612126 in words is "one hundred sixty-one million, six hundred twelve thousand, one hundred twenty-six".