166351250145622 has 16 divisors (see below), whose sum is σ = 251016791242752. Its totient is φ = 82679623525480.

The previous prime is 166351250145527. The next prime is 166351250145701. The reversal of 166351250145622 is 226541052153661.

It is a super-3 number, since 3×166351250145622³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158758888 + ... + 159803275.

It is an arithmetic number, because the mean of its divisors is an integer number (15688549452672).

Almost surely, 2^{166351250145622} is an apocalyptic number.

166351250145622 is a deficient number, since it is larger than the sum of its proper divisors (84665541097130).

166351250145622 is a wasteful number, since it uses less digits than its factorization.

166351250145622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318563723.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 166351250145622 in words is "one hundred sixty-six trillion, three hundred fifty-one billion, two hundred fifty million, one hundred forty-five thousand, six hundred twenty-two".