16742038541 has 2 divisors, whose sum is σ = 16742038542. Its totient is φ = 16742038540.

The previous prime is 16742038501. The next prime is 16742038567. The reversal of 16742038541 is 14583024761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14824036516 + 1918002025 = 121754^2 + 43795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16742038541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16742038501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8371019270 + 8371019271.

It is an arithmetic number, because the mean of its divisors is an integer number (8371019271).

Almost surely, 2^16742038541 is an apocalyptic number.

It is an amenable number.

16742038541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16742038541 is an equidigital number, since it uses as much as digits as its factorization.

16742038541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 16742038541 in words is "sixteen billion, seven hundred forty-two million, thirty-eight thousand, five hundred forty-one".