1255695168 has 168 divisors, whose sum is σ = 4162482912. Its totient is φ = 331140096.

The previous prime is 1255695121. The next prime is 1255695169. The reversal of 1255695168 is 8615965521.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255695169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117171 + ... + 127437.

It is an arithmetic number, because the mean of its divisors is an integer number (24776684).

Almost surely, 2^1255695168 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 1255695168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2081241456).

1255695168 is an abundant number, since it is smaller than the sum of its proper divisors (2906787744).

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

1255695168 is a wasteful number, since it uses less digits than its factorization.

1255695168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309 (or 10292 counting only the distinct ones).

The product of its digits is 648000, while the sum is 48.

The square root of 1255695168 is about 35435.7893661197. The cubic root of 1255695168 is about 1078.8508490347.

The spelling of 1255695168 in words is "one billion, two hundred fifty-five million, six hundred ninety-five thousand, one hundred sixty-eight".