214102665 has 24 divisors (see below), whose sum is σ = 424127808. Its totient is φ = 97875360.

The previous prime is 214102661. The next prime is 214102723. The reversal of 214102665 is 566201412.

It is not a de Polignac number, because 214102665 - 2² = 214102661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214102661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339531 + ... + 340160.

It is an arithmetic number, because the mean of its divisors is an integer number (17671992).

Almost surely, 2^214102665 is an apocalyptic number.

It is an amenable number.

214102665 is a deficient number, since it is larger than the sum of its proper divisors (210025143).

214102665 is a wasteful number, since it uses less digits than its factorization.

214102665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679709 (or 679706 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 214102665 is about 14632.2474350320. The cubic root of 214102665 is about 598.2380392219.

The spelling of 214102665 in words is "two hundred fourteen million, one hundred two thousand, six hundred sixty-five".