161088011 has 8 divisors (see below), whose sum is σ = 190449120. Its totient is φ = 133314048.

The previous prime is 161087987. The next prime is 161088013. The reversal of 161088011 is 110880161.

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

It is a de Polignac number, because none of the positive numbers 2^k-161088011 is a prime.

It is a super-2 number, since 2×161088011² = 51898694575872242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161088013) 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, 396566 + ... + 396971.

It is an arithmetic number, because the mean of its divisors is an integer number (23806140).

Almost surely, 2^161088011 is an apocalyptic number.

161088011 is a deficient number, since it is larger than the sum of its proper divisors (29361109).

161088011 is an equidigital number, since it uses as much as digits as its factorization.

161088011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793573.

The product of its (nonzero) digits is 384, while the sum is 26.

The square root of 161088011 is about 12692.0451858635. The cubic root of 161088011 is about 544.1112929648. Note that the first 3 decimals are identical.

The spelling of 161088011 in words is "one hundred sixty-one million, eighty-eight thousand, eleven".