155648568 has 32 divisors (see below), whose sum is σ = 402541200. Its totient is φ = 50093568.

The previous prime is 155648561. The next prime is 155648569. The reversal of 155648568 is 865846551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155648561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111121 + ... + 112512.

Almost surely, 2^155648568 is an apocalyptic number.

It is an amenable number.

155648568 is an abundant number, since it is smaller than the sum of its proper divisors (246892632).

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

155648568 is a wasteful number, since it uses less digits than its factorization.

155648568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223671 (or 223667 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 48.

The square root of 155648568 is about 12475.9195252294. The cubic root of 155648568 is about 537.9167194189.

The spelling of 155648568 in words is "one hundred fifty-five million, six hundred forty-eight thousand, five hundred sixty-eight".