1660379306 has 16 divisors (see below), whose sum is σ = 2528320704. Its totient is φ = 817638624.

The previous prime is 1660379291. The next prime is 1660379317. The reversal of 1660379306 is 6039730661.

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, 98321 + ... + 113963.

It is an arithmetic number, because the mean of its divisors is an integer number (158020044).

Almost surely, 2^1660379306 is an apocalyptic number.

1660379306 is a deficient number, since it is larger than the sum of its proper divisors (867941398).

1660379306 is a wasteful number, since it uses less digits than its factorization.

1660379306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 1660379306 is about 40747.7521588615. The cubic root of 1660379306 is about 1184.1383247244.

The spelling of 1660379306 in words is "one billion, six hundred sixty million, three hundred seventy-nine thousand, three hundred six".