32556165215 has 12 divisors (see below), whose sum is σ = 45445749336. Its totient is φ = 22324227408.

The previous prime is 32556165181. The next prime is 32556165217. The reversal of 32556165215 is 51256165523.

It is not a de Polignac number, because 32556165215 - 2¹⁸ = 32555903071 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 (32556165217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66440909 + ... + 66441398.

It is an arithmetic number, because the mean of its divisors is an integer number (3787145778).

Almost surely, 2^32556165215 is an apocalyptic number.

32556165215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

32556165215 is a deficient number, since it is larger than the sum of its proper divisors (12889584121).

32556165215 is a wasteful number, since it uses less digits than its factorization.

32556165215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132882326 (or 132882319 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The spelling of 32556165215 in words is "thirty-two billion, five hundred fifty-six million, one hundred sixty-five thousand, two hundred fifteen".