536531326066 has 4 divisors (see below), whose sum is σ = 804796989102. Its totient is φ = 268265663032.

The previous prime is 536531326043. The next prime is 536531326069. The reversal of 536531326066 is 660623135635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 395584392025 + 140946934041 = 628955^2 + 375429^2 .

It is a super-2 number, since 2×536531326066² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536531326069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134132831515 + ... + 134132831518.

Almost surely, 2^536531326066 is an apocalyptic number.

536531326066 is a deficient number, since it is larger than the sum of its proper divisors (268265663036).

536531326066 is a wasteful number, since it uses less digits than its factorization.

536531326066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268265663035.

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 536531326066 in words is "five hundred thirty-six billion, five hundred thirty-one million, three hundred twenty-six thousand, sixty-six".