155590960 has 80 divisors (see below), whose sum is σ = 417384000. Its totient is φ = 52835328.

The previous prime is 155590933. The next prime is 155590961. The reversal of 155590960 is 69095551.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155590961) 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, 59766 + ... + 62314.

It is an arithmetic number, because the mean of its divisors is an integer number (5217300).

Almost surely, 2^155590960 is an apocalyptic number.

155590960 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 155590960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208692000).

155590960 is an abundant number, since it is smaller than the sum of its proper divisors (261793040).

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

155590960 is a wasteful number, since it uses less digits than its factorization.

155590960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 40.

The square root of 155590960 is about 12473.6105438642. The cubic root of 155590960 is about 537.8503473975.

The spelling of 155590960 in words is "one hundred fifty-five million, five hundred ninety thousand, nine hundred sixty".