20858416151 has 2 divisors, whose sum is σ = 20858416152. Its totient is φ = 20858416150.

The previous prime is 20858416133. The next prime is 20858416193. The reversal of 20858416151 is 15161485802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20858416151 - 2³⁴ = 3678546967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20858416099 and 20858416108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20858416351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10429208075 + 10429208076.

It is an arithmetic number, because the mean of its divisors is an integer number (10429208076).

Almost surely, 2^20858416151 is an apocalyptic number.

20858416151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20858416151 is an equidigital number, since it uses as much as digits as its factorization.

20858416151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 20858416151 in words is "twenty billion, eight hundred fifty-eight million, four hundred sixteen thousand, one hundred fifty-one".