155416655 has 16 divisors (see below), whose sum is σ = 194188320. Its totient is φ = 119263872.

The previous prime is 155416619. The next prime is 155416661. The reversal of 155416655 is 556614551.

It is a happy number.

155416655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 155416655 - 2⁸ = 155416399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19352 + ... + 26178.

It is an arithmetic number, because the mean of its divisors is an integer number (12136770).

Almost surely, 2^155416655 is an apocalyptic number.

155416655 is a deficient number, since it is larger than the sum of its proper divisors (38771665).

155416655 is a wasteful number, since it uses less digits than its factorization.

155416655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018.

The product of its digits is 90000, while the sum is 38.

The square root of 155416655 is about 12466.6216353910. The cubic root of 155416655 is about 537.6494251947.

The spelling of 155416655 in words is "one hundred fifty-five million, four hundred sixteen thousand, six hundred fifty-five".