214651966 has 8 divisors (see below), whose sum is σ = 323124624. Its totient is φ = 106943760.

The previous prime is 214651919. The next prime is 214651973. The reversal of 214651966 is 669156412.

It is a happy number.

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

It is a congruent number.

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, 190410 + ... + 191533.

It is an arithmetic number, because the mean of its divisors is an integer number (40390578).

Almost surely, 2^214651966 is an apocalyptic number.

214651966 is a deficient number, since it is larger than the sum of its proper divisors (108472658).

214651966 is a wasteful number, since it uses less digits than its factorization.

214651966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382226.

The product of its digits is 77760, while the sum is 40.

The square root of 214651966 is about 14651.0056310139. The cubic root of 214651966 is about 598.7492147426.

The spelling of 214651966 in words is "two hundred fourteen million, six hundred fifty-one thousand, nine hundred sixty-six".