16155090541 has 2 divisors, whose sum is σ = 16155090542. Its totient is φ = 16155090540.

The previous prime is 16155090529. The next prime is 16155090587. The reversal of 16155090541 is 14509055161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14661577225 + 1493513316 = 121085^2 + 38646^2 .

It is a cyclic number.

It is not a de Polignac number, because 16155090541 - 2¹⁵ = 16155057773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16155090541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16155690541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077545270 + 8077545271.

It is an arithmetic number, because the mean of its divisors is an integer number (8077545271).

Almost surely, 2^16155090541 is an apocalyptic number.

It is an amenable number.

16155090541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155090541 is an equidigital number, since it uses as much as digits as its factorization.

16155090541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 16155090541 in words is "sixteen billion, one hundred fifty-five million, ninety thousand, five hundred forty-one".