161072160517245 has 16 divisors (see below), whose sum is σ = 257765469653952. Its totient is φ = 85888481333760.

The previous prime is 161072160517211. The next prime is 161072160517267. The reversal of 161072160517245 is 542715061270161.

It is not a de Polignac number, because 161072160517245 - 2¹⁸ = 161072160255101 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161072160517194 and 161072160517203.

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, 1041854011 + ... + 1042008600.

It is an arithmetic number, because the mean of its divisors is an integer number (16110341853372).

Almost surely, 2^{161072160517245} is an apocalyptic number.

161072160517245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161072160517245 is a deficient number, since it is larger than the sum of its proper divisors (96693309136707).

161072160517245 is a wasteful number, since it uses less digits than its factorization.

161072160517245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083867772.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 161072160517245 in words is "one hundred sixty-one trillion, seventy-two billion, one hundred sixty million, five hundred seventeen thousand, two hundred forty-five".