25163163256262 has 4 divisors (see below), whose sum is σ = 37744744884396. Its totient is φ = 12581581628130.

The previous prime is 25163163256237. The next prime is 25163163256321. The reversal of 25163163256262 is 26265236136152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25163163256262² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25163163256262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6290790814064 + ... + 6290790814067.

It is an arithmetic number, because the mean of its divisors is an integer number (9436186221099).

Almost surely, 2^{25163163256262} is an apocalyptic number.

25163163256262 is a deficient number, since it is larger than the sum of its proper divisors (12581581628134).

25163163256262 is a wasteful number, since it uses less digits than its factorization.

25163163256262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12581581628133.

The product of its digits is 4665600, while the sum is 50.

The spelling of 25163163256262 in words is "twenty-five trillion, one hundred sixty-three billion, one hundred sixty-three million, two hundred fifty-six thousand, two hundred sixty-two".