27664003532 has 24 divisors (see below), whose sum is σ = 52826475072. Its totient is φ = 12571362000.

The previous prime is 27664003531. The next prime is 27664003571. The reversal of 27664003532 is 23530046672.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (27664003531) 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, 100643 + ... + 255845.

It is an arithmetic number, because the mean of its divisors is an integer number (2201103128).

Almost surely, 2^27664003532 is an apocalyptic number.

27664003532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27664003532 is a deficient number, since it is larger than the sum of its proper divisors (25162471540).

27664003532 is a wasteful number, since it uses less digits than its factorization.

27664003532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159269 (or 159267 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 27664003532 in words is "twenty-seven billion, six hundred sixty-four million, three thousand, five hundred thirty-two".