4661220160 has 56 divisors (see below), whose sum is σ = 11105708040. Its totient is φ = 1863450624.

The previous prime is 4661220149. The next prime is 4661220169. The reversal of 4661220160 is 610221664.

It can be written as a sum of positive squares in 4 ways, for example, as 228856384 + 4432363776 = 15128^2 + 66576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661220169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857772 + ... + 863188.

It is an arithmetic number, because the mean of its divisors is an integer number (198316215).

Almost surely, 2^4661220160 is an apocalyptic number.

4661220160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4661220160 is an abundant number, since it is smaller than the sum of its proper divisors (6444487880).

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

4661220160 is a wasteful number, since it uses less digits than its factorization.

4661220160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8113 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4661220160 is about 68273.1291211997. The cubic root of 4661220160 is about 1670.4489404612.

The spelling of 4661220160 in words is "four billion, six hundred sixty-one million, two hundred twenty thousand, one hundred sixty".