1666134010 has 8 divisors (see below), whose sum is σ = 2999041236. Its totient is φ = 666453600.

The previous prime is 1666133971. The next prime is 1666134031. The reversal of 1666134010 is 104316661.

It can be written as a sum of positive squares in 2 ways, for example, as 1532800801 + 133333209 = 39151^2 + 11547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1666134010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83306691 + ... + 83306710.

Almost surely, 2^1666134010 is an apocalyptic number.

1666134010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666134010 is a deficient number, since it is larger than the sum of its proper divisors (1332907226).

1666134010 is a wasteful number, since it uses less digits than its factorization.

1666134010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166613408.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1666134010 is about 40818.3048398632. The cubic root of 1666134010 is about 1185.5047811766.

The spelling of 1666134010 in words is "one billion, six hundred sixty-six million, one hundred thirty-four thousand, ten".