1660002070 has 16 divisors (see below), whose sum is σ = 3145267440. Its totient is φ = 629053344.

The previous prime is 1660002061. The next prime is 1660002083. The reversal of 1660002070 is 702000661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4368237 + ... + 4368616.

It is an arithmetic number, because the mean of its divisors is an integer number (196579215).

Almost surely, 2^1660002070 is an apocalyptic number.

1660002070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660002070 is a deficient number, since it is larger than the sum of its proper divisors (1485265370).

1660002070 is a wasteful number, since it uses less digits than its factorization.

1660002070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736879.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1660002070 is about 40743.1229779947. The cubic root of 1660002070 is about 1184.0486397073.

The spelling of 1660002070 in words is "one billion, six hundred sixty million, two thousand, seventy".