21160200662479 has 2 divisors, whose sum is σ = 21160200662480. Its totient is φ = 21160200662478.

The previous prime is 21160200662411. The next prime is 21160200662483. The reversal of 21160200662479 is 97426600206112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21160200662479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21160200662179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580100331239 + 10580100331240.

It is an arithmetic number, because the mean of its divisors is an integer number (10580100331240).

Almost surely, 2^{21160200662479} is an apocalyptic number.

21160200662479 is a deficient number, since it is larger than the sum of its proper divisors (1).

21160200662479 is an equidigital number, since it uses as much as digits as its factorization.

21160200662479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 21160200662479 in words is "twenty-one trillion, one hundred sixty billion, two hundred million, six hundred sixty-two thousand, four hundred seventy-nine".