5660121615 has 16 divisors (see below), whose sum is σ = 9103122528. Its totient is φ = 3003088896.

The previous prime is 5660121569. The next prime is 5660121659. The reversal of 5660121615 is 5161210665.

It is not a de Polignac number, because 5660121615 - 2¹⁰ = 5660120591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974674 + ... + 980463.

It is an arithmetic number, because the mean of its divisors is an integer number (568945158).

Almost surely, 2^5660121615 is an apocalyptic number.

5660121615 is a deficient number, since it is larger than the sum of its proper divisors (3443000913).

5660121615 is a wasteful number, since it uses less digits than its factorization.

5660121615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955338.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5660121615 is about 75233.7797468664. The cubic root of 5660121615 is about 1782.1404221353.

The spelling of 5660121615 in words is "five billion, six hundred sixty million, one hundred twenty-one thousand, six hundred fifteen".