4998404161 has 4 divisors (see below), whose sum is σ = 4998559792. Its totient is φ = 4998248532.

The previous prime is 4998404143. The next prime is 4998404179. The reversal of 4998404161 is 1614048994.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1614048994 = 2 ⋅807024497.

It is an interprime number because it is at equal distance from previous prime (4998404143) and next prime (4998404179).

It is a cyclic number.

It is not a de Polignac number, because 4998404161 - 2⁹ = 4998403649 is a prime.

It is a super-2 number, since 2×4998404161² = 49968088313404227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4998404261) 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, 9855 + ... + 100468.

It is an arithmetic number, because the mean of its divisors is an integer number (1249639948).

Almost surely, 2^4998404161 is an apocalyptic number.

It is an amenable number.

4998404161 is a deficient number, since it is larger than the sum of its proper divisors (155631).

4998404161 is a wasteful number, since it uses less digits than its factorization.

4998404161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155630.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 4998404161 is about 70699.3929323300. The cubic root of 4998404161 is about 1709.7940042316.

The spelling of 4998404161 in words is "four billion, nine hundred ninety-eight million, four hundred four thousand, one hundred sixty-one".