5415441661 has 8 divisors (see below), whose sum is σ = 6320759040. Its totient is φ = 4543045008.

The previous prime is 5415441641. The next prime is 5415441683. The reversal of 5415441661 is 1661445145.

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 5415441661 - 2¹³ = 5415433469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5415441661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5415441611) 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, 8229826 + ... + 8230483.

It is an arithmetic number, because the mean of its divisors is an integer number (790094880).

Almost surely, 2^5415441661 is an apocalyptic number.

It is an amenable number.

5415441661 is a deficient number, since it is larger than the sum of its proper divisors (905317379).

5415441661 is a wasteful number, since it uses less digits than its factorization.

5415441661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16460363.

The product of its digits is 57600, while the sum is 37.

The square root of 5415441661 is about 73589.6844741163. The cubic root of 5415441661 is about 1756.0813362915.

The spelling of 5415441661 in words is "five billion, four hundred fifteen million, four hundred forty-one thousand, six hundred sixty-one".