220164633 has 12 divisors (see below), whose sum is σ = 342478500. Its totient is φ = 135485856.

The previous prime is 220164523. The next prime is 220164641. The reversal of 220164633 is 336461022.

220164633 is a `hidden beast` number, since 2 + 20 + 1 + 6 + 4 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87385104 + 132779529 = 9348^2 + 11523^2 .

It is not a de Polignac number, because 220164633 - 2¹³ = 220156441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220164597 and 220164606.

It is not an unprimeable number, because it can be changed into a prime (220164643) 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, 940758 + ... + 940991.

It is an arithmetic number, because the mean of its divisors is an integer number (28539875).

Almost surely, 2^220164633 is an apocalyptic number.

It is an amenable number.

220164633 is a deficient number, since it is larger than the sum of its proper divisors (122313867).

220164633 is a wasteful number, since it uses less digits than its factorization.

220164633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881768 (or 1881765 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 220164633 is about 14837.9457136087. The cubic root of 220164633 is about 603.8316207181.

The spelling of 220164633 in words is "two hundred twenty million, one hundred sixty-four thousand, six hundred thirty-three".