161346286 has 16 divisors (see below), whose sum is σ = 256498704. Its totient is φ = 75855744.

The previous prime is 161346239. The next prime is 161346287. The reversal of 161346286 is 682643161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161346287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56161 + ... + 58963.

It is an arithmetic number, because the mean of its divisors is an integer number (16031169).

Almost surely, 2^161346286 is an apocalyptic number.

161346286 is a deficient number, since it is larger than the sum of its proper divisors (95152418).

161346286 is a wasteful number, since it uses less digits than its factorization.

161346286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515.

The product of its digits is 41472, while the sum is 37.

The square root of 161346286 is about 12702.2157909555. The cubic root of 161346286 is about 544.4019318217.

The spelling of 161346286 in words is "one hundred sixty-one million, three hundred forty-six thousand, two hundred eighty-six".