106651005659 has 4 divisors (see below), whose sum is σ = 116346551640. Its totient is φ = 96955459680.

The previous prime is 106651005653. The next prime is 106651005661. The reversal of 106651005659 is 956500156601.

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

It is a cyclic number.

It is not a de Polignac number, because 106651005659 - 2¹² = 106651001563 is a prime.

It is a super-2 number, since 2×106651005659² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106651005653) 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, 4847772974 + ... + 4847772995.

It is an arithmetic number, because the mean of its divisors is an integer number (29086637910).

Almost surely, 2^106651005659 is an apocalyptic number.

106651005659 is a deficient number, since it is larger than the sum of its proper divisors (9695545981).

106651005659 is an equidigital number, since it uses as much as digits as its factorization.

106651005659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9695545980.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 106651005659 in words is "one hundred six billion, six hundred fifty-one million, five thousand, six hundred fifty-nine".