161696126 has 8 divisors (see below), whose sum is σ = 242652024. Its totient is φ = 80812120.

The previous prime is 161696081. The next prime is 161696149. The reversal of 161696126 is 621696161.

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

It is a super-2 number, since 2×161696126² = 52291274326815752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161696126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11945 + ... + 21588.

It is an arithmetic number, because the mean of its divisors is an integer number (30331503).

Almost surely, 2^161696126 is an apocalyptic number.

161696126 is a deficient number, since it is larger than the sum of its proper divisors (80955898).

161696126 is a wasteful number, since it uses less digits than its factorization.

161696126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35946.

The product of its digits is 23328, while the sum is 38.

The square root of 161696126 is about 12715.9791600962. The cubic root of 161696126 is about 544.7951153102.

The spelling of 161696126 in words is "one hundred sixty-one million, six hundred ninety-six thousand, one hundred twenty-six".