106005651 has 4 divisors (see below), whose sum is σ = 141340872. Its totient is φ = 70670432.

The previous prime is 106005631. The next prime is 106005673. The reversal of 106005651 is 156500601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156500601 = 3 ⋅52166867.

It is a cyclic number.

It is not a de Polignac number, because 106005651 - 2⁹ = 106005139 is a prime.

It is a super-2 number, since 2×106005651² = 22474396087867602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106005611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17667606 + ... + 17667611.

It is an arithmetic number, because the mean of its divisors is an integer number (35335218).

Almost surely, 2^106005651 is an apocalyptic number.

106005651 is a deficient number, since it is larger than the sum of its proper divisors (35335221).

106005651 is an equidigital number, since it uses as much as digits as its factorization.

106005651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335220.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 106005651 is about 10295.9045741499. The cubic root of 106005651 is about 473.2707590472.

The spelling of 106005651 in words is "one hundred six million, five thousand, six hundred fifty-one".