161201614 has 8 divisors (see below), whose sum is σ = 276345648. Its totient is φ = 69086400.

The previous prime is 161201609. The next prime is 161201617. The reversal of 161201614 is 416102161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161201617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5757187 + ... + 5757214.

It is an arithmetic number, because the mean of its divisors is an integer number (34543206).

Almost surely, 2^161201614 is an apocalyptic number.

161201614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161201614 is a deficient number, since it is larger than the sum of its proper divisors (115144034).

161201614 is a wasteful number, since it uses less digits than its factorization.

161201614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514410.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 161201614 is about 12696.5197593671. The cubic root of 161201614 is about 544.2391695418.

Adding to 161201614 its reverse (416102161), we get a palindrome (577303775).

The spelling of 161201614 in words is "one hundred sixty-one million, two hundred one thousand, six hundred fourteen".