106516551 has 8 divisors (see below), whose sum is σ = 143140864. Its totient is φ = 70451640.

The previous prime is 106516549. The next prime is 106516559. The reversal of 106516551 is 155615601.

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

It is not a de Polignac number, because 106516551 - 2¹ = 106516549 is a prime.

It is a super-2 number, since 2×106516551² = 22691551273871202, 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 (106516559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139405 + ... + 140166.

It is an arithmetic number, because the mean of its divisors is an integer number (17892608).

Almost surely, 2^106516551 is an apocalyptic number.

106516551 is a deficient number, since it is larger than the sum of its proper divisors (36624313).

106516551 is a wasteful number, since it uses less digits than its factorization.

106516551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279701.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 106516551 is about 10320.6855876923. The cubic root of 106516551 is about 474.0298588963.

The spelling of 106516551 in words is "one hundred six million, five hundred sixteen thousand, five hundred fifty-one".