514051666 has 4 divisors (see below), whose sum is σ = 771077502. Its totient is φ = 257025832.

The previous prime is 514051649. The next prime is 514051667. The reversal of 514051666 is 666150415.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363474225 + 150577441 = 19065^2 + 12271^2 .

It is not an unprimeable number, because it can be changed into a prime (514051667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128512915 + ... + 128512918.

Almost surely, 2^514051666 is an apocalyptic number.

514051666 is a deficient number, since it is larger than the sum of its proper divisors (257025836).

514051666 is a wasteful number, since it uses less digits than its factorization.

514051666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257025835.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 514051666 is about 22672.7075136606. The cubic root of 514051666 is about 801.0671518923.

The spelling of 514051666 in words is "five hundred fourteen million, fifty-one thousand, six hundred sixty-six".