166122231355653 has 8 divisors (see below), whose sum is σ = 221612457568608. Its totient is φ = 110690079689904.

The previous prime is 166122231355631. The next prime is 166122231355687. The reversal of 166122231355653 is 356553132221661.

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

It is not a de Polignac number, because 166122231355653 - 2⁶ = 166122231355589 is a prime.

It is a super-2 number, since 2×166122231355653² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166122231355596 and 166122231355605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166122231357653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14518630126 + ... + 14518641567.

It is an arithmetic number, because the mean of its divisors is an integer number (27701557196076).

Almost surely, 2^{166122231355653} is an apocalyptic number.

It is an amenable number.

166122231355653 is a deficient number, since it is larger than the sum of its proper divisors (55490226212955).

166122231355653 is a wasteful number, since it uses less digits than its factorization.

166122231355653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29037273603.

The product of its digits is 5832000, while the sum is 51.

The spelling of 166122231355653 in words is "one hundred sixty-six trillion, one hundred twenty-two billion, two hundred thirty-one million, three hundred fifty-five thousand, six hundred fifty-three".