1660045835 has 16 divisors (see below), whose sum is σ = 2410554816. Its totient is φ = 1071356928.

The previous prime is 1660045819. The next prime is 1660045859. The reversal of 1660045835 is 5385400661.

It is a cyclic number.

It is not a de Polignac number, because 1660045835 - 2⁴ = 1660045819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394402 + ... + 1395591.

It is an arithmetic number, because the mean of its divisors is an integer number (150659676).

Almost surely, 2^1660045835 is an apocalyptic number.

1660045835 is a deficient number, since it is larger than the sum of its proper divisors (750508981).

1660045835 is a wasteful number, since it uses less digits than its factorization.

1660045835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790022.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1660045835 is about 40743.6600589589. The cubic root of 1660045835 is about 1184.0590452030.

The spelling of 1660045835 in words is "one billion, six hundred sixty million, forty-five thousand, eight hundred thirty-five".