345161866041 has 24 divisors (see below), whose sum is σ = 504010936520. Its totient is φ = 227598253056.

The previous prime is 345161866037. The next prime is 345161866051. The reversal of 345161866041 is 140668161543.

345161866041 is a `hidden beast` number, since 3 + 451 + 61 + 86 + 60 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 52890800400 + 292271065641 = 229980^2 + 540621^2 .

It is not a de Polignac number, because 345161866041 - 2² = 345161866037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345161866001) 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, 1338591 + ... + 1575483.

Almost surely, 2^345161866041 is an apocalyptic number.

It is an amenable number.

345161866041 is a deficient number, since it is larger than the sum of its proper divisors (158849070479).

345161866041 is a wasteful number, since it uses less digits than its factorization.

345161866041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238665 (or 238662 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 345161866041 in words is "three hundred forty-five billion, one hundred sixty-one million, eight hundred sixty-six thousand, forty-one".