106651969 has 4 divisors (see below), whose sum is σ = 106672896. Its totient is φ = 106631044.

The previous prime is 106651967. The next prime is 106651981. The reversal of 106651969 is 969156601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106651969 - 2¹ = 106651967 is a prime.

It is a super-2 number, since 2×106651969² = 22749284983153922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106651967) 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, 2712 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (26668224).

Almost surely, 2^106651969 is an apocalyptic number.

It is an amenable number.

106651969 is a deficient number, since it is larger than the sum of its proper divisors (20927).

106651969 is an equidigital number, since it uses as much as digits as its factorization.

106651969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 106651969 is about 10327.2440176458. The cubic root of 106651969 is about 474.2306570847.

It can be divided in two parts, 1066 and 51969, that added together give a palindrome (53035).

The spelling of 106651969 in words is "one hundred six million, six hundred fifty-one thousand, nine hundred sixty-nine".