155020304166 has 32 divisors (see below), whose sum is σ = 381588442368. Its totient is φ = 40884475680.

The previous prime is 155020304119. The next prime is 155020304167. The reversal of 155020304166 is 661403020551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155020304167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141959440 + ... + 141960531.

It is an arithmetic number, because the mean of its divisors is an integer number (11924638824).

Almost surely, 2^155020304166 is an apocalyptic number.

155020304166 is an abundant number, since it is smaller than the sum of its proper divisors (226568138202).

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

155020304166 is a wasteful number, since it uses less digits than its factorization.

155020304166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283919996.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 155020304166 in words is "one hundred fifty-five billion, twenty million, three hundred four thousand, one hundred sixty-six".