4102050661 has 8 divisors (see below), whose sum is σ = 4199336064. Its totient is φ = 4004851200.

The previous prime is 4102050647. The next prime is 4102050703. The reversal of 4102050661 is 1660502014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4102050661 - 2²⁹ = 3565179749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102050611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80805 + ... + 121381.

It is an arithmetic number, because the mean of its divisors is an integer number (524917008).

Almost surely, 2^4102050661 is an apocalyptic number.

It is an amenable number.

4102050661 is a deficient number, since it is larger than the sum of its proper divisors (97285403).

4102050661 is a wasteful number, since it uses less digits than its factorization.

4102050661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42971.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4102050661 is about 64047.2533446986. The cubic root of 4102050661 is about 1600.7874588636.

Adding to 4102050661 its reverse (1660502014), we get a palindrome (5762552675).

The spelling of 4102050661 in words is "four billion, one hundred two million, fifty thousand, six hundred sixty-one".