20164631363 has 2 divisors, whose sum is σ = 20164631364. Its totient is φ = 20164631362.

The previous prime is 20164631359. The next prime is 20164631387. The reversal of 20164631363 is 36313646102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20164631363 - 2² = 20164631359 is a prime.

It is a super-2 number, since 2×20164631363² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20164631863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10082315681 + 10082315682.

It is an arithmetic number, because the mean of its divisors is an integer number (10082315682).

Almost surely, 2^20164631363 is an apocalyptic number.

20164631363 is a deficient number, since it is larger than the sum of its proper divisors (1).

20164631363 is an equidigital number, since it uses as much as digits as its factorization.

20164631363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 20164631363 in words is "twenty billion, one hundred sixty-four million, six hundred thirty-one thousand, three hundred sixty-three".