25672057161 has 32 divisors (see below), whose sum is σ = 35108640000. Its totient is φ = 16679829504.

The previous prime is 25672057141. The next prime is 25672057181. The reversal of 25672057161 is 16175027652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25672057141) and next prime (25672057181).

It is not a de Polignac number, because 25672057161 - 2¹⁴ = 25672040777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25672057111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20553465 + ... + 20554713.

It is an arithmetic number, because the mean of its divisors is an integer number (1097145000).

Almost surely, 2^25672057161 is an apocalyptic number.

It is an amenable number.

25672057161 is a deficient number, since it is larger than the sum of its proper divisors (9436582839).

25672057161 is a wasteful number, since it uses less digits than its factorization.

25672057161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 25672057161 in words is "twenty-five billion, six hundred seventy-two million, fifty-seven thousand, one hundred sixty-one".