161050452605 has 16 divisors (see below), whose sum is σ = 225036537984. Its totient is φ = 108350923200.

The previous prime is 161050452587. The next prime is 161050452631. The reversal of 161050452605 is 506254050161.

It is not a de Polignac number, because 161050452605 - 2¹² = 161050448509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43407971 + ... + 43411680.

It is an arithmetic number, because the mean of its divisors is an integer number (14064783624).

Almost surely, 2^161050452605 is an apocalyptic number.

It is an amenable number.

161050452605 is a deficient number, since it is larger than the sum of its proper divisors (63986085379).

161050452605 is an equidigital number, since it uses as much as digits as its factorization.

161050452605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86819716.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 161050452605 in words is "one hundred sixty-one billion, fifty million, four hundred fifty-two thousand, six hundred five".