1660004741 has 16 divisors (see below), whose sum is σ = 1729261440. Its totient is φ = 1592187840.

The previous prime is 1660004713. The next prime is 1660004767. The reversal of 1660004741 is 1474000661.

It is a cyclic number.

It is not a de Polignac number, because 1660004741 - 2²² = 1655810437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660064741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905696 + ... + 907526.

It is an arithmetic number, because the mean of its divisors is an integer number (108078840).

Almost surely, 2^1660004741 is an apocalyptic number.

It is an amenable number.

1660004741 is a deficient number, since it is larger than the sum of its proper divisors (69256699).

1660004741 is a wasteful number, since it uses less digits than its factorization.

1660004741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1660004741 is about 40743.1557565194. The cubic root of 1660004741 is about 1184.0492747652.

The spelling of 1660004741 in words is "one billion, six hundred sixty million, four thousand, seven hundred forty-one".