4352612661 has 24 divisors (see below), whose sum is σ = 6359580864. Its totient is φ = 2868410880.

The previous prime is 4352612659. The next prime is 4352612669. The reversal of 4352612661 is 1662162534.

4352612661 is a `hidden beast` number, since 4 + 3 + 526 + 126 + 6 + 1 = 666.

It is not a de Polignac number, because 4352612661 - 2¹ = 4352612659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4352612669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464341 + ... + 473621.

It is an arithmetic number, because the mean of its divisors is an integer number (264982536).

Almost surely, 2^4352612661 is an apocalyptic number.

It is an amenable number.

4352612661 is a deficient number, since it is larger than the sum of its proper divisors (2006968203).

4352612661 is a wasteful number, since it uses less digits than its factorization.

4352612661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881 (or 9878 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4352612661 is about 65974.3333501749. Note that the first 4 decimals coincide. The cubic root of 4352612661 is about 1632.7386508638.

The spelling of 4352612661 in words is "four billion, three hundred fifty-two million, six hundred twelve thousand, six hundred sixty-one".