1666436050 has 48 divisors (see below), whose sum is σ = 3292369632. Its totient is φ = 625363200.

The previous prime is 1666436029. The next prime is 1666436087. The reversal of 1666436050 is 506346661.

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 23 ways as a sum of consecutive naturals, for example, 278389 + ... + 284311.

It is an arithmetic number, because the mean of its divisors is an integer number (68591034).

Almost surely, 2^1666436050 is an apocalyptic number.

1666436050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666436050 is a deficient number, since it is larger than the sum of its proper divisors (1625933582).

1666436050 is a wasteful number, since it uses less digits than its factorization.

1666436050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283 (or 6278 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1666436050 is about 40822.0044828766. The cubic root of 1666436050 is about 1185.5764137157.

The spelling of 1666436050 in words is "one billion, six hundred sixty-six million, four hundred thirty-six thousand, fifty".