24672961854161 has 2 divisors, whose sum is σ = 24672961854162. Its totient is φ = 24672961854160.

The previous prime is 24672961854157. The next prime is 24672961854193. The reversal of 24672961854161 is 16145816927642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14392159690000 + 10280802164161 = 3793700^2 + 3206369^2 .

It is a cyclic number.

It is not a de Polignac number, because 24672961854161 - 2² = 24672961854157 is a prime.

It is a super-2 number, since 2×24672961854161² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24672961854094 and 24672961854103.

It is not a weakly prime, because it can be changed into another prime (24672961854061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12336480927080 + 12336480927081.

It is an arithmetic number, because the mean of its divisors is an integer number (12336480927081).

Almost surely, 2^{24672961854161} is an apocalyptic number.

It is an amenable number.

24672961854161 is a deficient number, since it is larger than the sum of its proper divisors (1).

24672961854161 is an equidigital number, since it uses as much as digits as its factorization.

24672961854161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 24672961854161 in words is "twenty-four trillion, six hundred seventy-two billion, nine hundred sixty-one million, eight hundred fifty-four thousand, one hundred sixty-one".