161036036263 has 2 divisors, whose sum is σ = 161036036264. Its totient is φ = 161036036262.

The previous prime is 161036036233. The next prime is 161036036267. The reversal of 161036036263 is 362630630161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161036036263 is a prime.

It is a super-3 number, since 3×161036036263³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161036036267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80518018131 + 80518018132.

It is an arithmetic number, because the mean of its divisors is an integer number (80518018132).

Almost surely, 2^161036036263 is an apocalyptic number.

161036036263 is a deficient number, since it is larger than the sum of its proper divisors (1).

161036036263 is an equidigital number, since it uses as much as digits as its factorization.

161036036263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 161036036263 in words is "one hundred sixty-one billion, thirty-six million, thirty-six thousand, two hundred sixty-three".