106551 has 6 divisors (see below), whose sum is σ = 153920. Its totient is φ = 71028.

The previous prime is 106543. The next prime is 106591. The reversal of 106551 is 155601.

106551 = T₇₅ + T₇₆ + ... + T₁₀₁.

106551 is a `hidden beast` number, since 10 + 655 + 1 = 666.

It is not a de Polignac number, because 106551 - 2³ = 106543 is a prime.

It is a super-2 number, since 2×106551² = 22706231202, 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 (106501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5911 + ... + 5928.

2¹⁰⁶⁵⁵¹ is an apocalyptic number.

106551 is a deficient number, since it is larger than the sum of its proper divisors (47369).

106551 is a wasteful number, since it uses less digits than its factorization.

106551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845 (or 11842 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 106551 is about 326.4215066444. The cubic root of 106551 is about 47.4080956102.

It can be divided in two parts, 10 and 6551, that added together give a 8-th power (6561 = 3⁸).

The spelling of 106551 in words is "one hundred six thousand, five hundred fifty-one".