1660080442 has 16 divisors (see below), whose sum is σ = 2573978112. Its totient is φ = 802161360.

The previous prime is 1660080439. The next prime is 1660080479. The reversal of 1660080442 is 2440800661.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 28048 + ... + 64084.

It is an arithmetic number, because the mean of its divisors is an integer number (160873632).

Almost surely, 2^1660080442 is an apocalyptic number.

1660080442 is a deficient number, since it is larger than the sum of its proper divisors (913897670).

1660080442 is a wasteful number, since it uses less digits than its factorization.

1660080442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36813.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1660080442 is about 40744.0847485865. The cubic root of 1660080442 is about 1184.0672731780.

The spelling of 1660080442 in words is "one billion, six hundred sixty million, eighty thousand, four hundred forty-two".