155067530640 has 120 divisors (see below), whose sum is σ = 528383097984. Its totient is φ = 37592121600.

The previous prime is 155067530621. The next prime is 155067530671. The reversal of 155067530640 is 46035760551.

155067530640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 155067530592 and 155067530601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640856 + ... + 2698935.

Almost surely, 2^155067530640 is an apocalyptic number.

155067530640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155067530640 is an abundant number, since it is smaller than the sum of its proper divisors (373315567344).

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

155067530640 is a wasteful number, since it uses less digits than its factorization.

155067530640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339829 (or 5339812 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 155067530640 in words is "one hundred fifty-five billion, sixty-seven million, five hundred thirty thousand, six hundred forty".