106663087 has 4 divisors (see below), whose sum is σ = 108165456. Its totient is φ = 105160720.

The previous prime is 106663031. The next prime is 106663111. The reversal of 106663087 is 780366601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106663087 is a prime.

It is a super-2 number, since 2×106663087² = 22754028256739138, 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 (106663387) 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, 751078 + ... + 751219.

It is an arithmetic number, because the mean of its divisors is an integer number (27041364).

Almost surely, 2^106663087 is an apocalyptic number.

106663087 is a deficient number, since it is larger than the sum of its proper divisors (1502369).

106663087 is an equidigital number, since it uses as much as digits as its factorization.

106663087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502368.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 106663087 is about 10327.7822885651. The cubic root of 106663087 is about 474.2471353342.

The spelling of 106663087 in words is "one hundred six million, six hundred sixty-three thousand, eighty-seven".