212663230166541 has 64 divisors (see below), whose sum is σ = 365716425646080. Its totient is φ = 106662595253760.

The previous prime is 212663230166533. The next prime is 212663230166591. The reversal of 212663230166541 is 145661032366212.

It is not a de Polignac number, because 212663230166541 - 2³ = 212663230166533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212663230166521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 326901105 + ... + 327551001.

It is an arithmetic number, because the mean of its divisors is an integer number (5714319150720).

Almost surely, 2^{212663230166541} is an apocalyptic number.

212663230166541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212663230166541 is a deficient number, since it is larger than the sum of its proper divisors (153053195479539).

212663230166541 is a wasteful number, since it uses less digits than its factorization.

212663230166541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698794.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 212663230166541 in words is "two hundred twelve trillion, six hundred sixty-three billion, two hundred thirty million, one hundred sixty-six thousand, five hundred forty-one".