32166105243545 has 32 divisors (see below), whose sum is σ = 50007224359680. Its totient is φ = 19288500814080.

The previous prime is 32166105243541. The next prime is 32166105243557. The reversal of 32166105243545 is 54534250166123.

It is not a de Polignac number, because 32166105243545 - 2² = 32166105243541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32166105243545.

It is not an unprimeable number, because it can be changed into a prime (32166105243541) 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, 1860379166 + ... + 1860396455.

It is an arithmetic number, because the mean of its divisors is an integer number (1562725761240).

Almost surely, 2^{32166105243545} is an apocalyptic number.

32166105243545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32166105243545 is a deficient number, since it is larger than the sum of its proper divisors (17841119116135).

32166105243545 is a wasteful number, since it uses less digits than its factorization.

32166105243545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720775665.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 32166105243545 in words is "thirty-two trillion, one hundred sixty-six billion, one hundred five million, two hundred forty-three thousand, five hundred forty-five".