16780146102641 has 2 divisors, whose sum is σ = 16780146102642. Its totient is φ = 16780146102640.

The previous prime is 16780146102623. The next prime is 16780146102647. The reversal of 16780146102641 is 14620164108761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16777863174241 + 2282928400 = 4096079^2 + 47780^2 .

It is a cyclic number.

It is not a de Polignac number, because 16780146102641 - 2¹⁴ = 16780146086257 is a prime.

It is not a weakly prime, because it can be changed into another prime (16780146102647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8390073051320 + 8390073051321.

It is an arithmetic number, because the mean of its divisors is an integer number (8390073051321).

Almost surely, 2^{16780146102641} is an apocalyptic number.

It is an amenable number.

16780146102641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16780146102641 is an equidigital number, since it uses as much as digits as its factorization.

16780146102641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 16780146102641 in words is "sixteen trillion, seven hundred eighty billion, one hundred forty-six million, one hundred two thousand, six hundred forty-one".