243161243350 has 48 divisors (see below), whose sum is σ = 478956563568. Its totient is φ = 91529303040.

The previous prime is 243161243341. The next prime is 243161243359. The reversal of 243161243350 is 53342161342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243161243341) and next prime (243161243359).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243161243359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6980677 + ... + 7015423.

It is an arithmetic number, because the mean of its divisors is an integer number (9978261741).

Almost surely, 2^243161243350 is an apocalyptic number.

243161243350 is a deficient number, since it is larger than the sum of its proper divisors (235795320218).

243161243350 is a wasteful number, since it uses less digits than its factorization.

243161243350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43009 (or 43004 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 243161243350 in words is "two hundred forty-three billion, one hundred sixty-one million, two hundred forty-three thousand, three hundred fifty".