154215316505660 has 48 divisors (see below), whose sum is σ = 332693887421280. Its totient is φ = 60002880779520.

The previous prime is 154215316505641. The next prime is 154215316505669. The reversal of 154215316505660 is 66505613512451.

It is a junction number, because it is equal to n+sod(n) for n = 154215316505599 and 154215316505608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154215316505669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25101431 + ... + 30635150.

It is an arithmetic number, because the mean of its divisors is an integer number (6931122654610).

Almost surely, 2^{154215316505660} is an apocalyptic number.

154215316505660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154215316505660 is an abundant number, since it is smaller than the sum of its proper divisors (178478570915620).

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

154215316505660 is a wasteful number, since it uses less digits than its factorization.

154215316505660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55740366 (or 55740364 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 154215316505660 in words is "one hundred fifty-four trillion, two hundred fifteen billion, three hundred sixteen million, five hundred five thousand, six hundred sixty".