6661652115 has 8 divisors (see below), whose sum is σ = 10658643408. Its totient is φ = 3552881120.

The previous prime is 6661652099. The next prime is 6661652119. The reversal of 6661652115 is 5112561666.

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

It is not a de Polignac number, because 6661652115 - 2⁴ = 6661652099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6661652119) 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, 222055056 + ... + 222055085.

It is an arithmetic number, because the mean of its divisors is an integer number (1332330426).

Almost surely, 2^6661652115 is an apocalyptic number.

6661652115 is a deficient number, since it is larger than the sum of its proper divisors (3996991293).

6661652115 is a wasteful number, since it uses less digits than its factorization.

6661652115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444110149.

The product of its digits is 64800, while the sum is 39.

The square root of 6661652115 is about 81618.9445839629. The cubic root of 6661652115 is about 1881.6000520187.

The spelling of 6661652115 in words is "six billion, six hundred sixty-one million, six hundred fifty-two thousand, one hundred fifteen".