161650600583 has 2 divisors, whose sum is σ = 161650600584. Its totient is φ = 161650600582.

The previous prime is 161650600571. The next prime is 161650600613. The reversal of 161650600583 is 385006056161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161650600583 - 2²² = 161646406279 is a prime.

It is a super-2 number, since 2×161650600583² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161650600583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161650602583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80825300291 + 80825300292.

It is an arithmetic number, because the mean of its divisors is an integer number (80825300292).

Almost surely, 2^161650600583 is an apocalyptic number.

161650600583 is a deficient number, since it is larger than the sum of its proper divisors (1).

161650600583 is an equidigital number, since it uses as much as digits as its factorization.

161650600583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 161650600583 in words is "one hundred sixty-one billion, six hundred fifty million, six hundred thousand, five hundred eighty-three".