1660715041 has 4 divisors (see below), whose sum is σ = 1676838592. Its totient is φ = 1644591492.

The previous prime is 1660715039. The next prime is 1660715047. The reversal of 1660715041 is 1405170661.

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 1660715041 - 2¹ = 1660715039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1660714994 and 1660715012.

It is not an unprimeable number, because it can be changed into a prime (1660715047) 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, 8061621 + ... + 8061826.

It is an arithmetic number, because the mean of its divisors is an integer number (419209648).

Almost surely, 2^1660715041 is an apocalyptic number.

It is an amenable number.

1660715041 is a deficient number, since it is larger than the sum of its proper divisors (16123551).

1660715041 is a wasteful number, since it uses less digits than its factorization.

1660715041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123550.

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

The square root of 1660715041 is about 40751.8716257303. The cubic root of 1660715041 is about 1184.2181317673.

The spelling of 1660715041 in words is "one billion, six hundred sixty million, seven hundred fifteen thousand, forty-one".