161732202005 has 8 divisors (see below), whose sum is σ = 211722155424. Its totient is φ = 117623419600.

The previous prime is 161732201951. The next prime is 161732202011. The reversal of 161732202005 is 500202237161.

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 161732202005 - 2¹² = 161732197909 is a prime.

It is a super-2 number, since 2×161732202005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1470292691 + ... + 1470292800.

It is an arithmetic number, because the mean of its divisors is an integer number (26465269428).

Almost surely, 2^161732202005 is an apocalyptic number.

It is an amenable number.

161732202005 is a deficient number, since it is larger than the sum of its proper divisors (49989953419).

161732202005 is a wasteful number, since it uses less digits than its factorization.

161732202005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940585507.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 161732202005 its reverse (500202237161), we get a palindrome (661934439166).

The spelling of 161732202005 in words is "one hundred sixty-one billion, seven hundred thirty-two million, two hundred two thousand, five".