6151660609 has 4 divisors (see below), whose sum is σ = 6475432240. Its totient is φ = 5827888980.

The previous prime is 6151660607. The next prime is 6151660621. The reversal of 6151660609 is 9060661516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6151660609 - 2¹ = 6151660607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6151660607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161885787 + ... + 161885824.

It is an arithmetic number, because the mean of its divisors is an integer number (1618858060).

Almost surely, 2^6151660609 is an apocalyptic number.

It is an amenable number.

6151660609 is a deficient number, since it is larger than the sum of its proper divisors (323771631).

6151660609 is a wasteful number, since it uses less digits than its factorization.

6151660609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323771630.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 6151660609 is about 78432.5226484524. The cubic root of 6151660609 is about 1832.3036879239.

The spelling of 6151660609 in words is "six billion, one hundred fifty-one million, six hundred sixty thousand, six hundred nine".