345161561567 has 4 divisors (see below), whose sum is σ = 345196781160. Its totient is φ = 345126341976.

The previous prime is 345161561543. The next prime is 345161561587. The reversal of 345161561567 is 765165161543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345161561567 - 2¹² = 345161557471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345161561527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17595092 + ... + 17614697.

It is an arithmetic number, because the mean of its divisors is an integer number (86299195290).

Almost surely, 2^345161561567 is an apocalyptic number.

345161561567 is a deficient number, since it is larger than the sum of its proper divisors (35219593).

345161561567 is an equidigital number, since it uses as much as digits as its factorization.

345161561567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35219592.

The product of its digits is 2268000, while the sum is 50.

The spelling of 345161561567 in words is "three hundred forty-five billion, one hundred sixty-one million, five hundred sixty-one thousand, five hundred sixty-seven".