545612664 has 32 divisors (see below), whose sum is σ = 1435824000. Its totient is φ = 172298592.

The previous prime is 545612663. The next prime is 545612719. The reversal of 545612664 is 466216545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545612663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597804 + ... + 598715.

It is an arithmetic number, because the mean of its divisors is an integer number (44869500).

Almost surely, 2^545612664 is an apocalyptic number.

It is an amenable number.

545612664 is an abundant number, since it is smaller than the sum of its proper divisors (890211336).

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

545612664 is a wasteful number, since it uses less digits than its factorization.

545612664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196547 (or 1196543 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 545612664 is about 23358.3531953775. The cubic root of 545612664 is about 817.1368836903.

The spelling of 545612664 in words is "five hundred forty-five million, six hundred twelve thousand, six hundred sixty-four".