214106551 has 16 divisors (see below), whose sum is σ = 235091808. Its totient is φ = 194176000.

The previous prime is 214106509. The next prime is 214106561. The reversal of 214106551 is 155601412.

It is a happy number.

It is not a de Polignac number, because 214106551 - 2¹³ = 214098359 is a prime.

It is a super-2 number, since 2×214106551² = 91683230362231202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214106561) 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 15 ways as a sum of consecutive naturals, for example, 56001 + ... + 59701.

It is an arithmetic number, because the mean of its divisors is an integer number (14693238).

Almost surely, 2^214106551 is an apocalyptic number.

214106551 is a deficient number, since it is larger than the sum of its proper divisors (20985257).

214106551 is a wasteful number, since it uses less digits than its factorization.

214106551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 214106551 is about 14632.3802233266. The cubic root of 214106551 is about 598.2416585742.

Adding to 214106551 its reverse (155601412), we get a palindrome (369707963).

The spelling of 214106551 in words is "two hundred fourteen million, one hundred six thousand, five hundred fifty-one".