106112021618 has 8 divisors (see below), whose sum is σ = 161777344620. Its totient is φ = 52186240080.

The previous prime is 106112021597. The next prime is 106112021629. The reversal of 106112021618 is 816120211601.

It can be written as a sum of positive squares in 2 ways, for example, as 106091564089 + 20457529 = 325717^2 + 4523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106112021618² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434885213 + ... + 434885456.

Almost surely, 2^106112021618 is an apocalyptic number.

106112021618 is a deficient number, since it is larger than the sum of its proper divisors (55665323002).

106112021618 is an equidigital number, since it uses as much as digits as its factorization.

106112021618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869770732.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 106112021618 in words is "one hundred six billion, one hundred twelve million, twenty-one thousand, six hundred eighteen".