155736768 has 112 divisors (see below), whose sum is σ = 473293440. Its totient is φ = 44697600.

The previous prime is 155736767. The next prime is 155736773. The reversal of 155736768 is 867637551.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (155736761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38188 + ... + 42068.

Almost surely, 2^155736768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155736768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236646720).

155736768 is an abundant number, since it is smaller than the sum of its proper divisors (317556672).

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

155736768 is a wasteful number, since it uses less digits than its factorization.

155736768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926 (or 3916 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 155736768 is about 12479.4538342028. The cubic root of 155736768 is about 538.0183057392.

The spelling of 155736768 in words is "one hundred fifty-five million, seven hundred thirty-six thousand, seven hundred sixty-eight".