18105958957622 has 8 divisors (see below), whose sum is σ = 27159001514400. Its totient is φ = 9052958452824.

The previous prime is 18105958957621. The next prime is 18105958957631. The reversal of 18105958957622 is 22675985950181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18105958957621) 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, 9413597 + ... + 11172632.

It is an arithmetic number, because the mean of its divisors is an integer number (3394875189300).

Almost surely, 2^{18105958957622} is an apocalyptic number.

18105958957622 is a deficient number, since it is larger than the sum of its proper divisors (9053042556778).

18105958957622 is a wasteful number, since it uses less digits than its factorization.

18105958957622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21025990.

The product of its (nonzero) digits is 108864000, while the sum is 68.

The spelling of 18105958957622 in words is "eighteen trillion, one hundred five billion, nine hundred fifty-eight million, nine hundred fifty-seven thousand, six hundred twenty-two".