345161678127 has 16 divisors (see below), whose sum is σ = 525994993152. Its totient is φ = 197222366880.

The previous prime is 345161678123. The next prime is 345161678143. The reversal of 345161678127 is 721876161543.

It is a happy number.

It is not a de Polignac number, because 345161678127 - 2² = 345161678123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345161678127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345161678123) 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, 202443 + ... + 855164.

It is an arithmetic number, because the mean of its divisors is an integer number (32874687072).

Almost surely, 2^345161678127 is an apocalyptic number.

345161678127 is a deficient number, since it is larger than the sum of its proper divisors (180833315025).

345161678127 is a wasteful number, since it uses less digits than its factorization.

345161678127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073158.

The product of its digits is 1693440, while the sum is 51.

The spelling of 345161678127 in words is "three hundred forty-five billion, one hundred sixty-one million, six hundred seventy-eight thousand, one hundred twenty-seven".