32166621500045 has 16 divisors (see below), whose sum is σ = 40871401463088. Its totient is φ = 24219057914880.

The previous prime is 32166621500021. The next prime is 32166621500093. The reversal of 32166621500045 is 54000512666123.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 226649309929 + 31939972190116 = 476077^2 + 5651546^2 .

It is not a de Polignac number, because 32166621500045 - 2¹⁶ = 32166621434509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32166621499975 and 32166621500011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6767 + ... + 8020803.

It is an arithmetic number, because the mean of its divisors is an integer number (2554462591443).

Almost surely, 2^{32166621500045} is an apocalyptic number.

It is an amenable number.

32166621500045 is a deficient number, since it is larger than the sum of its proper divisors (8704779963043).

32166621500045 is a wasteful number, since it uses less digits than its factorization.

32166621500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061280.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 32166621500045 in words is "thirty-two trillion, one hundred sixty-six billion, six hundred twenty-one million, five hundred thousand, forty-five".