161469597 has 8 divisors (see below), whose sum is σ = 215791744. Its totient is φ = 107396928.

The previous prime is 161469563. The next prime is 161469599. The reversal of 161469597 is 795964161.

It is a happy number.

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

It is not a de Polignac number, because 161469597 - 2⁶ = 161469533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161469599) 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 in 7 ways as a sum of consecutive naturals, for example, 60853 + ... + 63450.

It is an arithmetic number, because the mean of its divisors is an integer number (26973968).

Almost surely, 2^161469597 is an apocalyptic number.

It is an amenable number.

161469597 is a deficient number, since it is larger than the sum of its proper divisors (54322147).

161469597 is a wasteful number, since it uses less digits than its factorization.

161469597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124739.

The product of its digits is 408240, while the sum is 48.

The square root of 161469597 is about 12707.0687808007. The cubic root of 161469597 is about 544.5405852602.

The spelling of 161469597 in words is "one hundred sixty-one million, four hundred sixty-nine thousand, five hundred ninety-seven".