155808460686 has 16 divisors (see below), whose sum is σ = 320039000784. Its totient is φ = 50532473664.

The previous prime is 155808460609. The next prime is 155808460699. The reversal of 155808460686 is 686064808551.

It is a happy number.

155808460686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 350919735 + ... + 350920178.

It is an arithmetic number, because the mean of its divisors is an integer number (20002437549).

Almost surely, 2^155808460686 is an apocalyptic number.

155808460686 is an abundant number, since it is smaller than the sum of its proper divisors (164230540098).

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

155808460686 is a wasteful number, since it uses less digits than its factorization.

155808460686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701839955.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 155808460686 in words is "one hundred fifty-five billion, eight hundred eight million, four hundred sixty thousand, six hundred eighty-six".