155646553260 has 192 divisors, whose sum is σ = 487667174400. Its totient is φ = 36770872320.

The previous prime is 155646553241. The next prime is 155646553261. The reversal of 155646553260 is 62355646551.

It is not an unprimeable number, because it can be changed into a prime (155646553261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5197089 + ... + 5226951.

It is an arithmetic number, because the mean of its divisors is an integer number (2539933200).

Almost surely, 2^155646553260 is an apocalyptic number.

155646553260 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 155646553260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243833587200).

155646553260 is an abundant number, since it is smaller than the sum of its proper divisors (332020621140).

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

155646553260 is a wasteful number, since it uses less digits than its factorization.

155646553260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30088 (or 30086 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 155646553260 in words is "one hundred fifty-five billion, six hundred forty-six million, five hundred fifty-three thousand, two hundred sixty".