264545675541 has 32 divisors (see below), whose sum is σ = 448252190720. Its totient is φ = 151052800752.

The previous prime is 264545675519. The next prime is 264545675557. The reversal of 264545675541 is 145576545462.

264545675541 is a `hidden beast` number, since 2 + 6 + 4 + 545 + 6 + 7 + 55 + 41 = 666.

It is not a de Polignac number, because 264545675541 - 2¹⁰ = 264545674517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264545675041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290845 + ... + 783378.

It is an arithmetic number, because the mean of its divisors is an integer number (14007880960).

Almost surely, 2^264545675541 is an apocalyptic number.

264545675541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

264545675541 is a deficient number, since it is larger than the sum of its proper divisors (183706515179).

264545675541 is a wasteful number, since it uses less digits than its factorization.

264545675541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075542 (or 1075536 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 54.

The spelling of 264545675541 in words is "two hundred sixty-four billion, five hundred forty-five million, six hundred seventy-five thousand, five hundred forty-one".