4661663 has 12 divisors (see below), whose sum is σ = 5058768. Its totient is φ = 4287360.

The previous prime is 4661651. The next prime is 4661693. The reversal of 4661663 is 3661664.

It is not a de Polignac number, because 4661663 - 2¹² = 4657567 is a prime.

It is a super-2 number, since 2×4661663² = 43462203851138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19223 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (421564).

Almost surely, 2^4661663 is an apocalyptic number.

4661663 is a deficient number, since it is larger than the sum of its proper divisors (397105).

4661663 is a wasteful number, since it uses less digits than its factorization.

4661663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 293 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 4661663 is about 2159.0884650704. The cubic root of 4661663 is about 167.0501839213.

Subtracting from 4661663 its reverse (3661664), we obtain a palindrome (999999).

The spelling of 4661663 in words is "four million, six hundred sixty-one thousand, six hundred sixty-three".