345161718641 has 16 divisors (see below), whose sum is σ = 365094412800. Its totient is φ = 325846317888.

The previous prime is 345161718631. The next prime is 345161718677. The reversal of 345161718641 is 146817161543.

It is a cyclic number.

It is not a de Polignac number, because 345161718641 - 2¹⁰ = 345161717617 is a prime.

It is a super-2 number, since 2×345161718641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345161718631) 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, 495386 + ... + 967331.

It is an arithmetic number, because the mean of its divisors is an integer number (22818400800).

Almost surely, 2^345161718641 is an apocalyptic number.

It is an amenable number.

345161718641 is a deficient number, since it is larger than the sum of its proper divisors (19932694159).

345161718641 is a wasteful number, since it uses less digits than its factorization.

345161718641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462928.

The product of its digits is 483840, while the sum is 47.

The spelling of 345161718641 in words is "three hundred forty-five billion, one hundred sixty-one million, seven hundred eighteen thousand, six hundred forty-one".