161617014 has 48 divisors (see below), whose sum is σ = 378378000. Its totient is φ = 49560768.

The previous prime is 161617013. The next prime is 161617033. The reversal of 161617014 is 410716161.

It is a super-2 number, since 2×161617014² = 52240118428552392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161617013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80677 + ... + 82655.

It is an arithmetic number, because the mean of its divisors is an integer number (7882875).

Almost surely, 2^161617014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161617014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189189000).

161617014 is an abundant number, since it is smaller than the sum of its proper divisors (216760986).

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

161617014 is a wasteful number, since it uses less digits than its factorization.

161617014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2346 counting only the distinct ones).

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

The square root of 161617014 is about 12712.8680477696. The cubic root of 161617014 is about 544.7062513751.

The spelling of 161617014 in words is "one hundred sixty-one million, six hundred seventeen thousand, fourteen".