161088493 has 8 divisors (see below), whose sum is σ = 166693376. Its totient is φ = 155509200.

The previous prime is 161088469. The next prime is 161088503. The reversal of 161088493 is 394880161.

161088493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 161088493 - 2⁹ = 161087981 is a prime.

It is a super-2 number, since 2×161088493² = 51899005154022098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161088463) 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, 6880 + ... + 19222.

It is an arithmetic number, because the mean of its divisors is an integer number (20836672).

Almost surely, 2^161088493 is an apocalyptic number.

It is an amenable number.

161088493 is a deficient number, since it is larger than the sum of its proper divisors (5604883).

161088493 is a wasteful number, since it uses less digits than its factorization.

161088493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 161088493 is about 12692.0641741208. The cubic root of 161088493 is about 544.1118356523. Note that the first 3 decimals are identical.

The spelling of 161088493 in words is "one hundred sixty-one million, eighty-eight thousand, four hundred ninety-three".