4993161 has 4 divisors (see below), whose sum is σ = 6657552. Its totient is φ = 3328772.

The previous prime is 4993159. The next prime is 4993199. The reversal of 4993161 is 1613994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4993161 - 2¹ = 4993159 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4993151) 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, 832191 + ... + 832196.

It is an arithmetic number, because the mean of its divisors is an integer number (1664388).

Almost surely, 2^4993161 is an apocalyptic number.

It is an amenable number.

4993161 is a deficient number, since it is larger than the sum of its proper divisors (1664391).

4993161 is a wasteful number, since it uses less digits than its factorization.

4993161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664390.

The product of its digits is 5832, while the sum is 33.

The square root of 4993161 is about 2234.5382073261. The cubic root of 4993161 is about 170.9195955911.

The spelling of 4993161 in words is "four million, nine hundred ninety-three thousand, one hundred sixty-one".