155550005666660 has 48 divisors (see below), whose sum is σ = 357291162164160. Its totient is φ = 56414393965440.

The previous prime is 155550005666551. The next prime is 155550005666669. The reversal of 155550005666660 is 66666500055551.

155550005666660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155550005666660² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155550005666596 and 155550005666605.

It is not an unprimeable number, because it can be changed into a prime (155550005666669) 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, 932694299 + ... + 932861058.

It is an arithmetic number, because the mean of its divisors is an integer number (7443565878420).

Almost surely, 2^{155550005666660} is an apocalyptic number.

155550005666660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155550005666660 is an abundant number, since it is smaller than the sum of its proper divisors (201741156497500).

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

155550005666660 is a wasteful number, since it uses less digits than its factorization.

155550005666660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865555756 (or 1865555754 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 155550005666660 in words is "one hundred fifty-five trillion, five hundred fifty billion, five million, six hundred sixty-six thousand, six hundred sixty".