120254356166 has 24 divisors (see below), whose sum is σ = 211756659840. Its totient is φ = 51064754832.

The previous prime is 120254356147. The next prime is 120254356177. The reversal of 120254356166 is 661653452021.

It is a happy number.

It is a super-2 number, since 2×120254356166² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5618150 + ... + 5639513.

It is an arithmetic number, because the mean of its divisors is an integer number (8823194160).

Almost surely, 2^120254356166 is an apocalyptic number.

120254356166 is a deficient number, since it is larger than the sum of its proper divisors (91502303674).

120254356166 is a wasteful number, since it uses less digits than its factorization.

120254356166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257788 (or 11257781 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 120254356166 in words is "one hundred twenty billion, two hundred fifty-four million, three hundred fifty-six thousand, one hundred sixty-six".