260143668 has 36 divisors (see below), whose sum is σ = 692196960. Its totient is φ = 82150416.

The previous prime is 260143657. The next prime is 260143669. The reversal of 260143668 is 866341062.

260143668 is a `hidden beast` number, since 2 + 601 + 43 + 6 + 6 + 8 = 666.

260143668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260143669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189480 + ... + 190847.

Almost surely, 2^260143668 is an apocalyptic number.

It is an amenable number.

260143668 is an abundant number, since it is smaller than the sum of its proper divisors (432053292).

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

260143668 is a wasteful number, since it uses less digits than its factorization.

260143668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380356 (or 380351 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 260143668 is about 16128.9698369115. The cubic root of 260143668 is about 638.3679674225.

The spelling of 260143668 in words is "two hundred sixty million, one hundred forty-three thousand, six hundred sixty-eight".