1666000374 has 32 divisors (see below), whose sum is σ = 3577706496. Its totient is φ = 515303040.

The previous prime is 1666000361. The next prime is 1666000403. The reversal of 1666000374 is 4730006661.

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 15 ways as a sum of consecutive naturals, for example, 107782 + ... + 122265.

It is an arithmetic number, because the mean of its divisors is an integer number (111803328).

Almost surely, 2^1666000374 is an apocalyptic number.

1666000374 is an abundant number, since it is smaller than the sum of its proper divisors (1911706122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1666000374 is a wasteful number, since it uses less digits than its factorization.

1666000374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230140.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1666000374 is about 40816.6678453790. The cubic root of 1666000374 is about 1185.4730849761.

The spelling of 1666000374 in words is "one billion, six hundred sixty-six million, three hundred seventy-four", and thus it is an aban number.