155366656 has 36 divisors (see below), whose sum is σ = 323622432. Its totient is φ = 74302976.

The previous prime is 155366641. The next prime is 155366657. The reversal of 155366656 is 656663551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155366657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7306 + ... + 19081.

It is an arithmetic number, because the mean of its divisors is an integer number (8989512).

Almost surely, 2^155366656 is an apocalyptic number.

155366656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155366656 is an abundant number, since it is smaller than the sum of its proper divisors (168255776).

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

155366656 is an equidigital number, since it uses as much as digits as its factorization.

155366656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26426 (or 26412 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The square root of 155366656 is about 12464.6161593528. The cubic root of 155366656 is about 537.5917633848.

The spelling of 155366656 in words is "one hundred fifty-five million, three hundred sixty-six thousand, six hundred fifty-six".