161696000026 has 8 divisors (see below), whose sum is σ = 264593454624. Its totient is φ = 73498181820.

The previous prime is 161695999909. The next prime is 161696000083. The reversal of 161696000026 is 620000696161.

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

It is a super-2 number, since 2×161696000026² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3674909070 + ... + 3674909113.

It is an arithmetic number, because the mean of its divisors is an integer number (33074181828).

Almost surely, 2^161696000026 is an apocalyptic number.

161696000026 is a deficient number, since it is larger than the sum of its proper divisors (102897454598).

161696000026 is a wasteful number, since it uses less digits than its factorization.

161696000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349818196.

The product of its (nonzero) digits is 23328, while the sum is 37.

Adding to 161696000026 its reverse (620000696161), we get a palindrome (781696696187).

The spelling of 161696000026 in words is "one hundred sixty-one billion, six hundred ninety-six million, twenty-six", and thus it is an aban number.