6615061016615 has 8 divisors (see below), whose sum is σ = 7938558856800. Its totient is φ = 5291725055392.

The previous prime is 6615061016579. The next prime is 6615061016633. The reversal of 6615061016615 is 5166101605166.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6615061016615 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40379819 + ... + 40543308.

It is an arithmetic number, because the mean of its divisors is an integer number (992319857100).

Almost surely, 2^{6615061016615} is an apocalyptic number.

6615061016615 is a deficient number, since it is larger than the sum of its proper divisors (1323497840185).

6615061016615 is a wasteful number, since it uses less digits than its factorization.

6615061016615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80939481.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 6615061016615 in words is "six trillion, six hundred fifteen billion, sixty-one million, sixteen thousand, six hundred fifteen".