345161734647 has 16 divisors (see below), whose sum is σ = 472916620512. Its totient is φ = 223764249600.

The previous prime is 345161734639. The next prime is 345161734661. The reversal of 345161734647 is 746437161543.

It is a happy number.

It is not a de Polignac number, because 345161734647 - 2³ = 345161734639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345161734647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345161734147) 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, 663378 + ... + 1063199.

It is an arithmetic number, because the mean of its divisors is an integer number (29557288782).

Almost surely, 2^345161734647 is an apocalyptic number.

345161734647 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

345161734647 is a deficient number, since it is larger than the sum of its proper divisors (127754885865).

345161734647 is a wasteful number, since it uses less digits than its factorization.

345161734647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728418.

The product of its digits is 5080320, while the sum is 51.

The spelling of 345161734647 in words is "three hundred forty-five billion, one hundred sixty-one million, seven hundred thirty-four thousand, six hundred forty-seven".