161701614 has 12 divisors (see below), whose sum is σ = 350353536. Its totient is φ = 53900532.

The previous prime is 161701597. The next prime is 161701621. The reversal of 161701614 is 416107161.

It is a super-2 number, since 2×161701614² = 52294823940409992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4491694 + ... + 4491729.

It is an arithmetic number, because the mean of its divisors is an integer number (29196128).

Almost surely, 2^161701614 is an apocalyptic number.

161701614 is an abundant number, since it is smaller than the sum of its proper divisors (188651922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161701614 is a wasteful number, since it uses less digits than its factorization.

161701614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983431 (or 8983428 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 161701614 is about 12716.1949497481. The cubic root of 161701614 is about 544.8012787268.

Adding to 161701614 its reverse (416107161), we get a palindrome (577808775).

The spelling of 161701614 in words is "one hundred sixty-one million, seven hundred one thousand, six hundred fourteen".