106021649659 has 24 divisors (see below), whose sum is σ = 114463374480. Its totient is φ = 97848456192.

The previous prime is 106021649639. The next prime is 106021649677. The reversal of 106021649659 is 956946120601.

It is not a de Polignac number, because 106021649659 - 2²³ = 106013261051 is a prime.

It is a super-2 number, since 2×106021649659² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106021649639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27259987 + ... + 27263875.

It is an arithmetic number, because the mean of its divisors is an integer number (4769307270).

Almost surely, 2^106021649659 is an apocalyptic number.

106021649659 is a deficient number, since it is larger than the sum of its proper divisors (8441724821).

106021649659 is an equidigital number, since it uses as much as digits as its factorization.

106021649659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4128 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 106021649659 in words is "one hundred six billion, twenty-one million, six hundred forty-nine thousand, six hundred fifty-nine".