1516161 has 8 divisors (see below), whose sum is σ = 2046240. Its totient is φ = 998432.

The previous prime is 1516157. The next prime is 1516187. The reversal of 1516161 is 1616151.

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

It is a cyclic number.

It is not a de Polignac number, because 1516161 - 2² = 1516157 is a prime.

1516161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1516061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2796 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (255780).

2^1516161 is an apocalyptic number.

It is an amenable number.

1516161 is a deficient number, since it is larger than the sum of its proper divisors (530079).

1516161 is an equidigital number, since it uses as much as digits as its factorization.

1516161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175.

The product of its digits is 180, while the sum is 21.

The square root of 1516161 is about 1231.3248961992. The cubic root of 1516161 is about 114.8810616559.

The spelling of 1516161 in words is "one million, five hundred sixteen thousand, one hundred sixty-one".