161696000896 has 16 divisors (see below), whose sum is σ = 322128752040. Its totient is φ = 80848000384.

The previous prime is 161696000833. The next prime is 161696000897. The reversal of 161696000896 is 698000696161.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×161696000896² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161696000897) 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 as a sum of consecutive naturals, namely, 631624876 + ... + 631625131.

Almost surely, 2^161696000896 is an apocalyptic number.

161696000896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161696000896 is a deficient number, since it is larger than the sum of its proper divisors (160432751144).

161696000896 is an equidigital number, since it uses as much as digits as its factorization.

161696000896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263250021 (or 1263250009 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 161696000896 in words is "one hundred sixty-one billion, six hundred ninety-six million, eight hundred ninety-six", and thus it is an aban number.