345161867625 has 80 divisors (see below), whose sum is σ = 660876167952. Its totient is φ = 179110828800.

The previous prime is 345161867623. The next prime is 345161867647. The reversal of 345161867625 is 526768161543.

It is a happy number.

345161867625 is a `hidden beast` number, since 3 + 4 + 5 + 1 + 6 + 1 + 8 + 6 + 7 + 625 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 43009367769 + 302152499856 = 207387^2 + 549684^2 .

It is not a de Polignac number, because 345161867625 - 2¹ = 345161867623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345161867623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 86052 + ... + 835301.

Almost surely, 2^345161867625 is an apocalyptic number.

It is an amenable number.

345161867625 is a deficient number, since it is larger than the sum of its proper divisors (315714300327).

345161867625 is an equidigital number, since it uses as much as digits as its factorization.

345161867625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921417 (or 921398 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 345161867625 in words is "three hundred forty-five billion, one hundred sixty-one million, eight hundred sixty-seven thousand, six hundred twenty-five".