106678553 has 4 divisors (see below), whose sum is σ = 112953780. Its totient is φ = 100403328.

The previous prime is 106678541. The next prime is 106678589. The reversal of 106678553 is 355876601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70341769 + 36336784 = 8387^2 + 6028^2 .

It is a cyclic number.

It is not a de Polignac number, because 106678553 - 2¹² = 106674457 is a prime.

It is a super-2 number, since 2×106678553² = 22760627340347618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106678553.

It is not an unprimeable number, because it can be changed into a prime (106671553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3137588 + ... + 3137621.

It is an arithmetic number, because the mean of its divisors is an integer number (28238445).

Almost surely, 2^106678553 is an apocalyptic number.

It is an amenable number.

106678553 is a deficient number, since it is larger than the sum of its proper divisors (6275227).

106678553 is an equidigital number, since it uses as much as digits as its factorization.

106678553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6275226.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 106678553 is about 10328.5310184944. The cubic root of 106678553 is about 474.2700559525.

The spelling of 106678553 in words is "one hundred six million, six hundred seventy-eight thousand, five hundred fifty-three".