106997663 has 4 divisors (see below), whose sum is σ = 107130408. Its totient is φ = 106864920.

The previous prime is 106997629. The next prime is 106997689. The reversal of 106997663 is 366799601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366799601 = 7 ⋅52399943.

It is a cyclic number.

It is not a de Polignac number, because 106997663 - 2¹⁰ = 106996639 is a prime.

It is a super-2 number, since 2×106997663² = 22896999774923138, 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 (106997603) 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, 65156 + ... + 66777.

It is an arithmetic number, because the mean of its divisors is an integer number (26782602).

Almost surely, 2^106997663 is an apocalyptic number.

106997663 is a deficient number, since it is larger than the sum of its proper divisors (132745).

106997663 is an equidigital number, since it uses as much as digits as its factorization.

106997663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132744.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 106997663 is about 10343.9674690130. The cubic root of 106997663 is about 474.7424834993.

The spelling of 106997663 in words is "one hundred six million, nine hundred ninety-seven thousand, six hundred sixty-three".