167633425450061 has 2 divisors, whose sum is σ = 167633425450062. Its totient is φ = 167633425450060.

The previous prime is 167633425450021. The next prime is 167633425450123. The reversal of 167633425450061 is 160054524336761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162848378574436 + 4785046875625 = 12761206^2 + 2187475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167633425450061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167633425449985 and 167633425450012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167633425450021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83816712725030 + 83816712725031.

It is an arithmetic number, because the mean of its divisors is an integer number (83816712725031).

Almost surely, 2^{167633425450061} is an apocalyptic number.

It is an amenable number.

167633425450061 is a deficient number, since it is larger than the sum of its proper divisors (1).

167633425450061 is an equidigital number, since it uses as much as digits as its factorization.

167633425450061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 167633425450061 in words is "one hundred sixty-seven trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred fifty thousand, sixty-one".