155827866342 has 16 divisors (see below), whose sum is σ = 311694453360. Its totient is φ = 51936168672.

The previous prime is 155827866319. The next prime is 155827866361. The reversal of 155827866342 is 243668728551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560913 + ... + 1657740.

It is an arithmetic number, because the mean of its divisors is an integer number (19480903335).

Almost surely, 2^155827866342 is an apocalyptic number.

155827866342 is an abundant number, since it is smaller than the sum of its proper divisors (155866587018).

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

155827866342 is a wasteful number, since it uses less digits than its factorization.

155827866342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226727.

The product of its digits is 19353600, while the sum is 57.

The spelling of 155827866342 in words is "one hundred fifty-five billion, eight hundred twenty-seven million, eight hundred sixty-six thousand, three hundred forty-two".