155216882 has 8 divisors (see below), whose sum is σ = 233011200. Its totient is φ = 77546484.

The previous prime is 155216869. The next prime is 155216899. The reversal of 155216882 is 288612551.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 27782 + ... + 32897.

It is an arithmetic number, because the mean of its divisors is an integer number (29126400).

Almost surely, 2^155216882 is an apocalyptic number.

155216882 is a deficient number, since it is larger than the sum of its proper divisors (77794318).

155216882 is a wasteful number, since it uses less digits than its factorization.

155216882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61960.

The product of its digits is 38400, while the sum is 38.

The square root of 155216882 is about 12458.6067439341. The cubic root of 155216882 is about 537.4189610652.

The spelling of 155216882 in words is "one hundred fifty-five million, two hundred sixteen thousand, eight hundred eighty-two".