660034620046541 has 2 divisors, whose sum is σ = 660034620046542. Its totient is φ = 660034620046540.

The previous prime is 660034620046537. The next prime is 660034620046577. The reversal of 660034620046541 is 145640026430066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530392599304516 + 129642020742025 = 23030254^2 + 11386045^2 .

It is a cyclic number.

It is not a de Polignac number, because 660034620046541 - 2² = 660034620046537 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660034620046511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330017310023270 + 330017310023271.

It is an arithmetic number, because the mean of its divisors is an integer number (330017310023271).

Almost surely, 2^{660034620046541} is an apocalyptic number.

It is an amenable number.

660034620046541 is a deficient number, since it is larger than the sum of its proper divisors (1).

660034620046541 is an equidigital number, since it uses as much as digits as its factorization.

660034620046541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 660034620046541 in words is "six hundred sixty trillion, thirty-four billion, six hundred twenty million, forty-six thousand, five hundred forty-one".