4556661201 has 12 divisors (see below), whose sum is σ = 6794161920. Its totient is φ = 2939781240.

The previous prime is 4556661173. The next prime is 4556661203. The reversal of 4556661201 is 1021666554.

It is not a de Polignac number, because 4556661201 - 2¹⁹ = 4556136913 is a prime.

It is a super-2 number, since 2×4556661201² = 41526322601397524802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4556661203) 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, 8165781 + ... + 8166338.

It is an arithmetic number, because the mean of its divisors is an integer number (566180160).

Almost surely, 2^4556661201 is an apocalyptic number.

It is an amenable number.

4556661201 is a deficient number, since it is larger than the sum of its proper divisors (2237500719).

4556661201 is a wasteful number, since it uses less digits than its factorization.

4556661201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332156 (or 16332153 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4556661201 is about 67503.0458646127. The cubic root of 4556661201 is about 1657.8640453961.

The spelling of 4556661201 in words is "four billion, five hundred fifty-six million, six hundred sixty-one thousand, two hundred one".