214066651 has 4 divisors (see below), whose sum is σ = 216145072. Its totient is φ = 211988232.

The previous prime is 214066639. The next prime is 214066663. The reversal of 214066651 is 156660412.

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

It is an interprime number because it is at equal distance from previous prime (214066639) and next prime (214066663).

It is a cyclic number.

It is not a de Polignac number, because 214066651 - 2¹¹ = 214064603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214066621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039056 + ... + 1039261.

It is an arithmetic number, because the mean of its divisors is an integer number (54036268).

Almost surely, 2^214066651 is an apocalyptic number.

214066651 is a deficient number, since it is larger than the sum of its proper divisors (2078421).

214066651 is a wasteful number, since it uses less digits than its factorization.

214066651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078420.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 214066651 is about 14631.0167452573. The cubic root of 214066651 is about 598.2044943290.

The spelling of 214066651 in words is "two hundred fourteen million, sixty-six thousand, six hundred fifty-one".