67268159253 has 12 divisors (see below), whose sum is σ = 97235905260. Its totient is φ = 44812768896.

The previous prime is 67268159239. The next prime is 67268159261. The reversal of 67268159253 is 35295186276.

It can be written as a sum of positive squares in 2 ways, for example, as 57378453444 + 9889705809 = 239538^2 + 99447^2 .

It is not a de Polignac number, because 67268159253 - 2⁴ = 67268159237 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67268159253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67268159353) 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, 2709508 + ... + 2734221.

It is an arithmetic number, because the mean of its divisors is an integer number (8102992105).

Almost surely, 2^67268159253 is an apocalyptic number.

It is an amenable number.

67268159253 is a deficient number, since it is larger than the sum of its proper divisors (29967746007).

67268159253 is a wasteful number, since it uses less digits than its factorization.

67268159253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445108 (or 5445105 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 67268159253 in words is "sixty-seven billion, two hundred sixty-eight million, one hundred fifty-nine thousand, two hundred fifty-three".