344181663 has 16 divisors (see below), whose sum is σ = 582741760. Its totient is φ = 196675128.

The previous prime is 344181587. The next prime is 344181667. The reversal of 344181663 is 366181443.

It is a happy number.

It is not a de Polignac number, because 344181663 - 2¹³ = 344173471 is a prime.

It is a super-2 number, since 2×344181663² = 236922034290891138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344181667) 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, 910345 + ... + 910722.

It is an arithmetic number, because the mean of its divisors is an integer number (36421360).

Almost surely, 2^344181663 is an apocalyptic number.

344181663 is a deficient number, since it is larger than the sum of its proper divisors (238560097).

344181663 is a wasteful number, since it uses less digits than its factorization.

344181663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821083 (or 1821077 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 344181663 is about 18552.1336508769. The cubic root of 344181663 is about 700.8029310313.

The spelling of 344181663 in words is "three hundred forty-four million, one hundred eighty-one thousand, six hundred sixty-three".