155799380766 has 32 divisors (see below), whose sum is σ = 314874989568. Its totient is φ = 51388606080.

The previous prime is 155799380747. The next prime is 155799380843. The reversal of 155799380766 is 667083997551.

155799380766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155799380697 and 155799380706.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 222261 + ... + 600831.

It is an arithmetic number, because the mean of its divisors is an integer number (9839843424).

Almost surely, 2^155799380766 is an apocalyptic number.

155799380766 is an abundant number, since it is smaller than the sum of its proper divisors (159075608802).

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

155799380766 is a wasteful number, since it uses less digits than its factorization.

155799380766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379296.

The product of its (nonzero) digits is 85730400, while the sum is 66.

The spelling of 155799380766 in words is "one hundred fifty-five billion, seven hundred ninety-nine million, three hundred eighty thousand, seven hundred sixty-six".