106161621161606 has 8 divisors (see below), whose sum is σ = 159336158899800. Its totient is φ = 53049568195008.

The previous prime is 106161621161591. The next prime is 106161621161611. The reversal of 106161621161606 is 606161126161601.

It is a happy number.

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

It is a super-2 number, since 2×106161621161606² (a number of 29 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 3 ways as a sum of consecutive naturals, for example, 15621188651 + ... + 15621195446.

It is an arithmetic number, because the mean of its divisors is an integer number (19917019862475).

Almost surely, 2^{106161621161606} is an apocalyptic number.

106161621161606 is a deficient number, since it is larger than the sum of its proper divisors (53174537738194).

106161621161606 is a wasteful number, since it uses less digits than its factorization.

106161621161606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31242385798.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 106161621161606 in words is "one hundred six trillion, one hundred sixty-one billion, six hundred twenty-one million, one hundred sixty-one thousand, six hundred six".