545925025646 has 192 divisors, whose sum is σ = 1143472075200. Its totient is φ = 192085770240.

The previous prime is 545925025579. The next prime is 545925025697. The reversal of 545925025646 is 646520529545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 333490340 + ... + 333491976.

It is an arithmetic number, because the mean of its divisors is an integer number (5955583725).

Almost surely, 2^545925025646 is an apocalyptic number.

545925025646 is an abundant number, since it is smaller than the sum of its proper divisors (597547049554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545925025646 is a wasteful number, since it uses less digits than its factorization.

545925025646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 545925025646 in words is "five hundred forty-five billion, nine hundred twenty-five million, twenty-five thousand, six hundred forty-six".