1660041715 has 8 divisors (see below), whose sum is σ = 2004272208. Its totient is φ = 1319885280.

The previous prime is 1660041697. The next prime is 1660041731. The reversal of 1660041715 is 5171400661.

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

It is not a de Polignac number, because 1660041715 - 2¹⁷ = 1659910643 is a prime.

It is a Duffinian 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, 1017616 + ... + 1019245.

It is an arithmetic number, because the mean of its divisors is an integer number (250534026).

Almost surely, 2^1660041715 is an apocalyptic number.

1660041715 is a deficient number, since it is larger than the sum of its proper divisors (344230493).

1660041715 is a wasteful number, since it uses less digits than its factorization.

1660041715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037029.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1660041715 is about 40743.6094989141. The cubic root of 1660041715 is about 1184.0580656463.

The spelling of 1660041715 in words is "one billion, six hundred sixty million, forty-one thousand, seven hundred fifteen".