161160825 has 48 divisors (see below), whose sum is σ = 305980416. Its totient is φ = 73320000.

The previous prime is 161160823. The next prime is 161160827. The reversal of 161160825 is 528061161.

It is an interprime number because it is at equal distance from previous prime (161160823) and next prime (161160827).

It is not a de Polignac number, because 161160825 - 2¹ = 161160823 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161160792 and 161160801.

It is not an unprimeable number, because it can be changed into a prime (161160821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131164 + ... + 132386.

It is an arithmetic number, because the mean of its divisors is an integer number (6374592).

Almost surely, 2^161160825 is an apocalyptic number.

161160825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161160825 is a deficient number, since it is larger than the sum of its proper divisors (144819591).

161160825 is a wasteful number, since it uses less digits than its factorization.

161160825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 161160825 is about 12694.9133514176. The cubic root of 161160825 is about 544.1932625488.

The spelling of 161160825 in words is "one hundred sixty-one million, one hundred sixty thousand, eight hundred twenty-five".