4435652661 has 16 divisors (see below), whose sum is σ = 6461337600. Its totient is φ = 2684324720.

The previous prime is 4435652647. The next prime is 4435652677. The reversal of 4435652661 is 1662565344.

It is not a de Polignac number, because 4435652661 - 2²³ = 4427264053 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 (4435652621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75861 + ... + 120938.

It is an arithmetic number, because the mean of its divisors is an integer number (403833600).

Almost surely, 2^4435652661 is an apocalyptic number.

It is an amenable number.

4435652661 is a deficient number, since it is larger than the sum of its proper divisors (2025684939).

4435652661 is a wasteful number, since it uses less digits than its factorization.

4435652661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197496.

The product of its digits is 518400, while the sum is 42.

The square root of 4435652661 is about 66600.6956495201. The cubic root of 4435652661 is about 1643.0565471249.

The spelling of 4435652661 in words is "four billion, four hundred thirty-five million, six hundred fifty-two thousand, six hundred sixty-one".