25168348157 has 8 divisors (see below), whose sum is σ = 26630271360. Its totient is φ = 23720152320.

The previous prime is 25168348151. The next prime is 25168348201. The reversal of 25168348157 is 75184386152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25168348157 - 2⁴ = 25168348141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25168348151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428069 + ... + 3435402.

It is an arithmetic number, because the mean of its divisors is an integer number (3328783920).

Almost surely, 2^25168348157 is an apocalyptic number.

It is an amenable number.

25168348157 is a deficient number, since it is larger than the sum of its proper divisors (1461923203).

25168348157 is a wasteful number, since it uses less digits than its factorization.

25168348157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863683.

The product of its digits is 1612800, while the sum is 50.

The spelling of 25168348157 in words is "twenty-five billion, one hundred sixty-eight million, three hundred forty-eight thousand, one hundred fifty-seven".