161112460 has 48 divisors (see below), whose sum is σ = 345584736. Its totient is φ = 63078912.

The previous prime is 161112433. The next prime is 161112463. The reversal of 161112460 is 64211161.

It is not an unprimeable number, because it can be changed into a prime (161112463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237642 + ... + 238318.

It is an arithmetic number, because the mean of its divisors is an integer number (7199682).

Almost surely, 2^161112460 is an apocalyptic number.

161112460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161112460 is an abundant number, since it is smaller than the sum of its proper divisors (184472276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161112460 is a wasteful number, since it uses less digits than its factorization.

161112460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 161112460 is about 12693.0083116651. The cubic root of 161112460 is about 544.1388189198.

The spelling of 161112460 in words is "one hundred sixty-one million, one hundred twelve thousand, four hundred sixty".