155253312432160 has 96 divisors (see below), whose sum is σ = 368868971749824. Its totient is φ = 61748749440000.

The previous prime is 155253312432107. The next prime is 155253312432161. The reversal of 155253312432160 is 61234213352551.

It is not an unprimeable number, because it can be changed into a prime (155253312432161) 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, 189888235 + ... + 190704085.

It is an arithmetic number, because the mean of its divisors is an integer number (3842385122394).

Almost surely, 2^{155253312432160} is an apocalyptic number.

155253312432160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155253312432160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184434485874912).

155253312432160 is an abundant number, since it is smaller than the sum of its proper divisors (213615659317664).

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

155253312432160 is a wasteful number, since it uses less digits than its factorization.

155253312432160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822618 (or 822610 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 155253312432160 in words is "one hundred fifty-five trillion, two hundred fifty-three billion, three hundred twelve million, four hundred thirty-two thousand, one hundred sixty".