18106507606 has 16 divisors (see below), whose sum is σ = 29639197440. Its totient is φ = 8227351080.

The previous prime is 18106507583. The next prime is 18106507613. The reversal of 18106507606 is 60670560181.

It is a super-2 number, since 2×18106507606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79026 + ... + 206053.

It is an arithmetic number, because the mean of its divisors is an integer number (1852449840).

Almost surely, 2^18106507606 is an apocalyptic number.

18106507606 is a deficient number, since it is larger than the sum of its proper divisors (11532689834).

18106507606 is a wasteful number, since it uses less digits than its factorization.

18106507606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287979.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 18106507606 in words is "eighteen billion, one hundred six million, five hundred seven thousand, six hundred six".