214170087621 has 8 divisors (see below), whose sum is σ = 326354419264. Its totient is φ = 122382907200.

The previous prime is 214170087613. The next prime is 214170087647. The reversal of 214170087621 is 126780071412.

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

It is not a de Polignac number, because 214170087621 - 2³ = 214170087613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214170087621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214170087611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5099287780 + ... + 5099287821.

It is an arithmetic number, because the mean of its divisors is an integer number (40794302408).

Almost surely, 2^214170087621 is an apocalyptic number.

214170087621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214170087621 is a deficient number, since it is larger than the sum of its proper divisors (112184331643).

214170087621 is a wasteful number, since it uses less digits than its factorization.

214170087621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10198575611.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 214170087621 in words is "two hundred fourteen billion, one hundred seventy million, eighty-seven thousand, six hundred twenty-one".