161144262 has 32 divisors (see below), whose sum is σ = 369653760. Its totient is φ = 51981480.

The previous prime is 161144239. The next prime is 161144273. The reversal of 161144262 is 262441161.

161144262 is a `hidden beast` number, since 1 + 611 + 4 + 42 + 6 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 46458 + ... + 49805.

It is an arithmetic number, because the mean of its divisors is an integer number (11551680).

Almost surely, 2^161144262 is an apocalyptic number.

161144262 is an abundant number, since it is smaller than the sum of its proper divisors (208509498).

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

161144262 is a wasteful number, since it uses less digits than its factorization.

161144262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96305 (or 96299 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 161144262 is about 12694.2609867609. The cubic root of 161144262 is about 544.1746190978.

The spelling of 161144262 in words is "one hundred sixty-one million, one hundred forty-four thousand, two hundred sixty-two".