161647576033 has 8 divisors (see below), whose sum is σ = 164533705920. Its totient is φ = 158778374160.

The previous prime is 161647576001. The next prime is 161647576039. The reversal of 161647576033 is 330675746161.

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

It is a cyclic number.

It is not a de Polignac number, because 161647576033 - 2⁵ = 161647576001 is a prime.

It is a super-2 number, since 2×161647576033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161647576039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4212735 + ... + 4250932.

It is an arithmetic number, because the mean of its divisors is an integer number (20566713240).

Almost surely, 2^161647576033 is an apocalyptic number.

It is an amenable number.

161647576033 is a deficient number, since it is larger than the sum of its proper divisors (2886129887).

161647576033 is an equidigital number, since it uses as much as digits as its factorization.

161647576033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464007.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 161647576033 in words is "one hundred sixty-one billion, six hundred forty-seven million, five hundred seventy-six thousand, thirty-three".