153481812660 has 384 divisors, whose sum is σ = 549284198400. Its totient is φ = 35187747840.

The previous prime is 153481812643. The next prime is 153481812667. The reversal of 153481812660 is 66218184351.

153481812660 is a `hidden beast` number, since 15 + 3 + 481 + 81 + 26 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153481812667) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 107554867 + ... + 107556293.

It is an arithmetic number, because the mean of its divisors is an integer number (1430427600).

Almost surely, 2^153481812660 is an apocalyptic number.

153481812660 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 153481812660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274642099200).

153481812660 is an abundant number, since it is smaller than the sum of its proper divisors (395802385740).

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

153481812660 is a wasteful number, since it uses less digits than its factorization.

153481812660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 153481812660 in words is "one hundred fifty-three billion, four hundred eighty-one million, eight hundred twelve thousand, six hundred sixty".