106551599 has 16 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 82656960.

The previous prime is 106551593. The next prime is 106551607. The reversal of 106551599 is 995155601.

It is a cyclic number.

It is not a de Polignac number, because 106551599 - 2⁸ = 106551343 is a prime.

It is a super-2 number, since 2×106551599² = 22706486498913602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106551593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14972 + ... + 20910.

It is an arithmetic number, because the mean of its divisors is an integer number (8339760).

Almost surely, 2^106551599 is an apocalyptic number.

106551599 is a deficient number, since it is larger than the sum of its proper divisors (26884561).

106551599 is a wasteful number, since it uses less digits than its factorization.

106551599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190.

The product of its (nonzero) digits is 60750, while the sum is 41.

The square root of 106551599 is about 10322.3833972586. The cubic root of 106551599 is about 474.0818444844.

The spelling of 106551599 in words is "one hundred six million, five hundred fifty-one thousand, five hundred ninety-nine".