155151656106168 has 32 divisors (see below), whose sum is σ = 387879745453200. Its totient is φ = 51717138010368.

The previous prime is 155151656106163. The next prime is 155151656106203. The reversal of 155151656106168 is 861601656151551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155151656106163) 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, 11808580 + ... + 21207212.

Almost surely, 2^{155151656106168} is an apocalyptic number.

It is an amenable number.

155151656106168 is an abundant number, since it is smaller than the sum of its proper divisors (232728089347032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155151656106168 is a wasteful number, since it uses less digits than its factorization.

155151656106168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086471 (or 10086467 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 57.

The spelling of 155151656106168 in words is "one hundred fifty-five trillion, one hundred fifty-one billion, six hundred fifty-six million, one hundred six thousand, one hundred sixty-eight".